CVE-2026-73455CWE-130

CVE-2026-73455

High · published September 16, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.9 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
EPSS
0.00497 · 41.7th percentile
Weakness
CWE-130 · Improper Handling of Length Parameter Inconsistency
Published
2026-09-16T14:16Z
References (1)
https://www.arista.com/en/support/advisories-notices/security-advisory/24729-security-advisory-0173 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 16 SEP 09:46Z
    Security Advisory 0173
    cvelistv5