Vulnerability · Published Jun 5, 2026 · Assigned by Arista

CVE-2026-25623Arista Edge Threat Management NGFW UI Arbitrary Command Execution

Medium 6.0

In plain English

A medium-severity OS command injection in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) from Arista Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.6% (higher than 93% of all known vulnerabilities).

Severity (CVSS 3.1)6.0Medium

Exploit odds (30 days)5.6%top 7.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An input validation command execution vulnerability exists in the browser management pipeline of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). Authenticated administrators can leverage this exposure to obtain underlying terminal script code processing execution permissions.

Affected products (as reported)

Vendor	Product	Versions
Arista Networks	Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)	0 – through 17.4.0

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L

References

https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 vendor-advisory