{"id":56603,"date":"2026-05-24T10:33:15","date_gmt":"2026-05-24T10:33:15","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=56603"},"modified":"2026-05-24T10:33:15","modified_gmt":"2026-05-24T10:33:15","slug":"totolink-a8000ru-web-management-cstecgicgi-setlanguagecfg-os-command-injection","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=56603","title":{"rendered":"Totolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection_CVE-2026-9386"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file \/cgi-bin\/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.&#8221;,&#8221;published&#8221;:&#8221;2026-05-24T14:00:15.705Z&#8221;,&#8221;modified&#8221;:&#8221;2026-05-24T14:00:15.705Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Totolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/vuln\/365349\\nhttps:\/\/vuldb.com\/vuln\/365349\/cti\\nhttps:\/\/vuldb.com\/submit\/813432\\nhttps:\/\/github.com\/Litengzheng\/vuldb_new2\/blob\/main\/A8000RU\/vul_333\/README.md\\nhttps:\/\/www.totolink.net\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2026-9386&#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 identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file \/cgi-bin\/cstecgi.cgi of the component Web Management Interface. Such manipulation&#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-56603","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 setLanguageCfg os command injection_CVE-2026-9386 - 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=56603\" \/>\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 setLanguageCfg os command injection_CVE-2026-9386 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. 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