CVE-2026-73435EPSS p7.6%

CVE-2026-73435CVE-2026-73435

Description

On affected platforms running Arista EOS with Open Shortest Path First version 2 (OSPFv2) configured, a specially crafted OSPFv2 packet from an unauthenticated attacker on the same broadcast segment, with OSPFv2 authentication configured can cause adjacency flapping and packet loss. The disruption can affect routing across the broader OSPF domain.

Scoring

CVSS 8.2 ()
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
EPSS0.19% probability of exploitation · percentile 7.6% · 2026-10-05T12:00:23Z
Last modified2026-09-16
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.