{"id":45314,"date":"2026-04-12T04:31:19","date_gmt":"2026-04-12T04:31:19","guid":{"rendered":"http:\/\/localhost\/?p=45314"},"modified":"2026-04-12T04:31:19","modified_gmt":"2026-04-12T04:31:19","slug":"wavlink-wl-nu516u1-nascgi-ftext-stack-based-overflow","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=45314","title":{"rendered":"Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow_CVE-2026-4861"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file \/cgi-bin\/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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This vulnerability affects the function ftext of the file \/cgi-bin\/nas.cgi. This manipulation of the argument Content-Length&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,19,12,15,13,7,11,5],"class_list":["post-45314","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-87","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow_CVE-2026-4861 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=45314\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow_CVE-2026-4861 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A weakness has been identified in Wavlink WL-NU516U1 260227. 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