{"id":13032,"date":"2025-08-14T15:35:33","date_gmt":"2025-08-14T15:35:33","guid":{"rendered":"http:\/\/localhost\/?p=13032"},"modified":"2025-08-14T15:35:33","modified_gmt":"2025-08-14T15:35:33","slug":"tenda-g1-firmware-update-checkuploadfile-data-authenticity","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=13032","title":{"rendered":"Tenda G1 Firmware Update check_upload_file data authenticity_CVE-2025-8980"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.&#8221;,&#8221;published&#8221;:&#8221;2025-08-14T19:32:10.524Z&#8221;,&#8221;modified&#8221;:&#8221;2025-08-14T19:50:34.275Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;Tenda G1 Firmware Update check_upload_file data authenticity&#8221;,&#8221;source&#8221;:&#8221;VulDB&#8221;,&#8221;references&#8221;:&#8221;https:\/\/vuldb.com\/?id.319976\\nhttps:\/\/vuldb.com\/?ctiid.319976\\nhttps:\/\/vuldb.com\/?submit.628605\\nhttps:\/\/vuldb.com\/?submit.628606\\nhttps:\/\/github.com\/IOTRes\/IOT_Firmware_Update\/blob\/main\/Tenda\/G1_Inte.md\\nhttps:\/\/github.com\/IOTRes\/IOT_Firmware_Update\/blob\/main\/Tenda\/G1_Auth.md\\nhttps:\/\/www.tenda.com.cn\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2025-8980&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-345&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;Tenda G1 16.01.7.8(3660)&#8221;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:7.5,&#8221;severity&#8221;:&#8221;HIGH&#8221;,&#8221;vector&#8221;:&#8221;CVSS:4.0\/AV:N\/AC:H\/AT:N\/PR:H\/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;G1&#8243;,&#8221;version&#8221;:&#8221;16.01.7.8(3660)&#8221;,&#8221;vendor&#8221;:&#8221;Tenda&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The 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":[6,8,16,12,15,13,7,11,5],"class_list":["post-13032","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-75","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>Tenda G1 Firmware Update check_upload_file data authenticity_CVE-2025-8980 - 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=13032\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tenda G1 Firmware Update check_upload_file data authenticity_CVE-2025-8980 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A vulnerability has been found in Tenda G1 16.01.7.8(3660). 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