{"id":"CVE-2026-26731","title":"TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.","summary":"TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.","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-787","CWE-121"],"vendor":"totolink","product":"a3002ru_firmware","affected":["a3002ru_firmware = 2.1.1-b20211108.1455"],"published":"2026-02-17","updated":"2026-09-21","sourceUpdated":"2026-09-21T20:17:23.643","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-26731","references":[{"url":"https://github.com/0xmania/cve/tree/main/TOTOLINK-A3002RU-boa-formDnsv6-StackOverflow","label":"cve@mitre.org"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-03-16T15:08:44.465963Z"},"scores":{"nvd":8.8,"adp":8},"epss":0.00504,"epssPercentile":0.41939,"ingestedAt":"2026-09-21T19:51:58.868Z","slug":"CVE-2026-26731","body":"## Overview\n\nTOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.\n\n## Affected\n\n- `a3002ru_firmware = 2.1.1-b20211108.1455`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":208783,"id":"CVE-2026-26731","ts":1790024012210,"field":"cvss","old":"8","new":"8.8"}]}