{"id":"CVE-2026-125404","published":"2026-11-10T00:17:15.040","lastModified":"2026-11-10T17:17:30.380","description":"Ettercap through 0.8.4.1 contains an integer underflow in ccmp_decrypt() in src/ec_encryption_ccmp.c that subtracts the 8-byte CCMP trailer without checking minimum length. Attackers on a network whose WPA key is loaded can send a short crafted CCMP frame to overflow a stack buffer in the Ettercap process, which normally runs as root.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-191"],"vendors":[],"products":[],"references":[{"url":"https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_encryption_ccmp.c#L190-L203","tags":[]},{"url":"https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98","tags":[]},{"url":"https://github.com/Ettercap/ettercap/pull/1330","tags":[]},{"url":"https://github.com/Ettercap/ettercap/security/advisories/GHSA-j37f-7jx3-rf8j","tags":[]},{"url":"https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-stack-buffer-overflow-via-wpa-ccmp-decryption","tags":[]}],"exploitRefs":[{"url":"https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_encryption_ccmp.c#L190-L203","tags":[]},{"url":"https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98","tags":[]},{"url":"https://github.com/Ettercap/ettercap/pull/1330","tags":[]},{"url":"https://github.com/Ettercap/ettercap/security/advisories/GHSA-j37f-7jx3-rf8j","tags":[]}],"hasPoc":true,"ai":null}