{"id":56626,"date":"2026-05-24T19:29:09","date_gmt":"2026-05-24T19:29:09","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=56626"},"modified":"2026-05-24T19:29:09","modified_gmt":"2026-05-24T19:29:09","slug":"totolink-a8000ru-web-management-cstecgicgi-setstaticdhcprules-os-command-injection","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=56626","title":{"rendered":"Totolink A8000RU Web Management cstecgi.cgi setStaticDhcpRules os command injection_CVE-2026-9408"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setStaticDhcpRules of the file \/cgi-bin\/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.&#8221;,&#8221;published&#8221;:&#8221;2026-05-25T00:00:19.245Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-25T00:00:19.245Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Totolink A8000RU Web Management cstecgi.cgi setStaticDhcpRules os command injection&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/365389\\nhttps:\/\/vuldb.com\/vuln\/365389\/cti\\nhttps:\/\/vuldb.com\/submit\/813443\\nhttps:\/\/github.com\/Litengzheng\/vuldb_new2\/blob\/main\/A8000RU\/vul_340\/README.md\\nhttps:\/\/www.totolink.net\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-9408&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-78&#8243;,&#8221;CWE-77&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Totolink A8000RU 7.1cu.643_b20200521&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:9.3,&#8221;severity&#8221;:&#8221;CRITICAL&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:N\/VC:H\/VI:H\/VA:H\/SC:N\/SI:N\/SA:N\/E:P&#8221;,&#8221;version&#8221;:&#8221;4.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;A8000RU&#8221;,&#8221;version&#8221;:&#8221;7.1cu.643_b20200521&#8243;,&#8221;vendor&#8221;:&#8221;Totolink&#8221;,&#8221;ai_description&#8221;:&#8221;OS command injection vulnerability in Totolink A8000RU Web Management Interface&#8221;,&#8221;ai_severity&#8221;:&#8221;Critical&#8221;,&#8221;ai_vendor&#8221;:&#8221;Totolink&#8221;,&#8221;ai_product&#8221;:&#8221;A8000RU&#8221;,&#8221;ai_version&#8221;:&#8221;7.1cu.643_b20200521&#8243;,&#8221;ai_score&#8221;:9.3}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setStaticDhcpRules of the file \/cgi-bin\/cstecgi.cgi of the component Web Management&#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":[9,6,8,55,12,13,7,11,5],"class_list":["post-56626","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-critical","tag-cve","tag-cvss","tag-cvss-93","tag-exploit","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>Totolink A8000RU Web Management cstecgi.cgi setStaticDhcpRules os command injection_CVE-2026-9408 - 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=56626\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Totolink A8000RU Web Management cstecgi.cgi setStaticDhcpRules os command injection_CVE-2026-9408 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. 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