CVE-2026-25621: Arista NG Firewall

Medium severity, CVSS 6.0. EPSS: 0.4% chance of exploitation in the next 30 days.

A Reports application infrastructure vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) due to insecure input validation. This issue uniquely affects version 17.4.0; earlier software releases are not exposed.

Affected products

• Arista NG Firewall: version 17.4 only

Published 2026-06-05. Last modified 2026-07-23.