{"id":"CVE-2025-12209","title":"A vulnerability was determined in Tenda O3 1.0.0.10(2478)","summary":"A vulnerability was determined in Tenda O3 1.0.0.10(2478). Affected is the function SetValue/GetValue of the file /goform/setDhcpConfig. Executing a manipulation of the argument dhcpEn can lead to stack-based buffer overflow. The attack …","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-2025-12209","references":[{"url":"https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setDhcpConfig.md","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.329879","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.329879","label":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.673263","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/setDhcpConfig.md","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.01029,"epssPercentile":0.62576,"ingestedAt":"2026-10-08T11:31:27.614Z","slug":"CVE-2025-12209","body":"## Overview\n\nA vulnerability was determined in Tenda O3 1.0.0.10(2478). Affected is the function SetValue/GetValue of the file /goform/setDhcpConfig. Executing a manipulation of the argument dhcpEn can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.\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":[]}