CVE-2026-73436

MEDIUMCVSS 6.5

Description

On affected platforms running Arista EOS with OSPFv2 and OSPFv2 segment routing configured, a specially crafted OSPFv2 packet from an adjacent OSPF neighbor may cause OSPF to restart unexpectedly.

Timeline

Published:September 16th, 2026 10:16 AM

Last modified:September 16th, 2026 7:08 PM

CVSS Scoring

CVSS v3: 6.5 (MEDIUM)

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-125 CWE-1284

References & Reports

Advisories, patches, and third-party reports

https://www.arista.com/en/support/advisories-notices/security-advisory/24727-security-advisory-0171

Source: NIST NVD · Data may lag official sources by up to one minute