{"id":"CVE-2025-31355","aliases":["EUVD-2025-27802","GHSA-w2vw-xc39-vh5c"],"status":"published","title":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of...","description":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00324,"percentile":0.25662,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-494"],"published":"2025-08-20T13:09:10Z","modified":"2026-06-17T09:10:17Z","products":[{"vendor":"tenda","product":"ac6 v5.0"},{"vendor":"tenda","product":"ac6_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161","tags":["Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2161"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31355"},{"url":"https://github.com/advisories/GHSA-w2vw-xc39-vh5c"}],"sources":{"cve":[{"id":"CVE-2025-31355","description":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2025-08-20T13:09:10.028Z","modified":"2025-11-03T19:53:10.109Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:32:44.763463Z"}],"euvd":[{"id":"EUVD-2025-27802","description":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2025-08-20T13:09:10Z","modified":"2025-11-03T19:53:10Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:33.269212Z"}],"ghsa":[{"id":"GHSA-w2vw-xc39-vh5c","title":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of...","description":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2025-08-20T15:31:41Z","modified":"2025-11-03T21:34:23Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T15:04:24.41654Z"}],"nvd":[{"id":"CVE-2025-31355","description":"A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2025-08-20T14:15:43.343Z","modified":"2026-06-17T09:10:17.013Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-494"],"updated_at":"2026-11-02T14:11:25.261243Z"}]}}