CVE-2026-25624: Arista NG Firewall

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An administrative cross-site scripting (XSS) vulnerability exists in the web user interface dashboard layout of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). Unvalidated user-supplied variables are echoed back to administrative profiles, facilitating vector payload processing behavior controls.

Affected products

• Arista NG Firewall: before 17.4.1 (fixed in 17.4.1)

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