{"id":"CVE-2025-12211","title":"A security flaw has been discovered in Tenda O3 1.0.0.10(2478)","summary":"A security flaw has been discovered in Tenda O3 1.0.0.10(2478). Affected by this issue is the function SetValue/GetValue of the file /goform/setDmzInfo. The manipulation of the argument dmzIP results in stack-based buffer overflow. It is…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-119","CWE-121"],"vendor":"tenda","product":"o3_firmware1.0.0.10(2478)","affected":["o3_firmware1.0.0.10(2478)"],"published":"2025-10-27","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-12211","references":[{"url":"https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.329881","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.329881","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.673265","label":"cna@vuldb.com"},{"url":"https://www.tenda.com.cn/","label":"cna@vuldb.com"},{"url":"https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDmzInfo.md","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00836,"epssPercentile":0.56418,"ingestedAt":"2026-10-08T11:31:27.615Z","slug":"CVE-2025-12211","body":"## Overview\n\nA security flaw has been discovered in Tenda O3 1.0.0.10(2478). Affected by this issue is the function SetValue/GetValue of the file /goform/setDmzInfo. The manipulation of the argument dmzIP results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.\n\n## Affected\n\n- `o3_firmware1.0.0.10(2478)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}