CVE-2026-25620: arista networks arista edge threat management - arista next generation firewall (ngfw) OS Command Injection

Vulnerability summary

CVE-2026-25620 is a high (CVSS 7.0) OS Command Injection vulnerability in arista networks arista edge threat management - arista next generation firewall (ngfw). EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.4% of scored vulnerabilities.

Timeline

1. 05-06-2026
   PublishedVulnerability first disclosed.
2. 05-06-2026
   Last modifiedVulnerability information updated.

Description

An encrypted password command injection vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). This issue uniquely affects version 17.4.0; earlier software releases are not exposed.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.