{"id":"CVE-2026-121368","published":"2026-11-10T20:18:56.123","lastModified":"2026-11-10T20:18:56.123","description":"On affected platforms running Arista EOS with Bidirectional Forwarding Detection (BFD) configured to use keyed MD5 or keyed SHA1 authentication, an unauthenticated attacker with network adjacency (direct or multi-hop) to a BFD-enabled interface can send a specially crafted BFD packet resulting in a system reboot.","cvssScore":8.6,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","cwes":["CWE-787"],"vendors":[],"products":[],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/25028-security-advisory-0206","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}