CVE-2026-25622: Arista NG Firewall

Medium severity, CVSS 6.0. EPSS: 1% chance of exploitation in the next 30 days.

A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). On affected platforms, an administrative account logged into the user interface can exploit this input handling behavior to execute arbitrary platform shell commands.

Affected products

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

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