{"id":"CVE-2026-120979","published":"2026-11-10T20:18:53.073","lastModified":"2026-11-10T20:18:53.073","description":"This vulnerability affects customers using Arista Pathfinder for WAN path selection with Border Gateway Protocol-Link State (BGP-LS) configured for Dynamic Path Selection (DPS). On affected platforms running Arista EOS with BGP-LS configured for DPS, an attacker who has established an authenticated BGP-LS session with the device can send a specially crafted BGP packet to cause incorrect WAN path selection and disrupt traffic forwarding.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","cwes":["CWE-1289"],"vendors":[],"products":[],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/25034-security-advisory-0212","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}