{"id":"CVE-2025-8980","aliases":["EUVD-2025-24945","GHSA-mq67-q3fx-f62h"],"status":"published","title":"Tenda G1 Firmware Update check_upload_file data authenticity","description":"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.","severity":{"version":"4.0","score":7.5,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00405,"percentile":0.35074,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2025-08-14T19:32:10Z","modified":"2026-06-17T10:08:04Z","products":[{"vendor":"tenda","product":"g1"},{"vendor":"tenda","product":"g1_firmware"},{"vendor":"unitree","product":"g1"}],"references":[{"url":"https://vuldb.com/?id.319976","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.319976","tags":["signature","permissions-required","Permissions Required"]},{"url":"https://vuldb.com/?submit.628605","tags":["third-party-advisory","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?submit.628606","tags":["third-party-advisory","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/G1_Inte.md","tags":["patch","Third Party Advisory"]},{"url":"https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/G1_Auth.md","tags":["exploit","patch","Third Party Advisory"]},{"url":"https://www.tenda.com.cn/","tags":["product","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8980"},{"url":"https://www.tenda.com.cn"},{"url":"https://github.com/advisories/GHSA-mq67-q3fx-f62h"}],"sources":{"cve":[{"id":"CVE-2025-8980","title":"Tenda G1 Firmware Update check_upload_file data authenticity","description":"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.","status":"published","published":"2025-08-14T19:32:10.524Z","modified":"2025-08-14T19:50:34.275Z","cvss":[{"version":"4.0","score":7.5,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"3.0","score":6.6,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:H/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:32:38.025852Z"}],"euvd":[{"id":"EUVD-2025-24945","description":"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.","status":"published","published":"2025-08-14T19:32:10Z","modified":"2025-08-14T19:50:34Z","cvss":[{"version":"4.0","score":7.5,"vector":"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","level":"high"}],"updated_at":"2026-11-02T20:31:57.477883Z"}],"ghsa":[{"id":"GHSA-mq67-q3fx-f62h","title":"A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the...","description":"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.","status":"published","published":"2025-08-14T21:31:59Z","modified":"2025-08-14T21:32:10Z","cvss":[{"version":"4.0","score":6.6,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:03:18.603875Z"}],"nvd":[{"id":"CVE-2025-8980","description":"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.","status":"published","published":"2025-08-14T20:15:38.397Z","modified":"2026-06-17T10:08:04.893Z","cvss":[{"version":"4.0","score":6.6,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:H/Au:M/C:C/I:C/A:C","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:11:23.594522Z"}]}}