{"id":"CVE-2026-73455","title":"On affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.","summary":"On affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-130"],"vendor":"Arista Networks","product":"EOS","affected":["EOS >= 1.0.0 < 4.33.0F","EOS >= 4.33.0F <= 4.33.8M","EOS >= 4.34.0F <= 4.34.6M","EOS >= 4.35.0F <= 4.35.4M","EOS >= 4.36.0F <= 4.36.0.1F"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:09:28.447","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73455","references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/24729-security-advisory-0173","label":"psirt@arista.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-16T17:56:02.507882Z"},"ingestedAt":"2026-09-16T09:53:11.602Z","epss":0.00476,"epssPercentile":0.40135,"slug":"CVE-2026-73455","body":"## Overview\n\nOn affected platforms running Arista EOS with Open Shortest Path First version 3 (OSPFv3) configured, a specially crafted packet can cause the OSPFv3 agent to restart unexpectedly.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}