CVE-2026-25623

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.

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CVSS v3.1 Score

6.0

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L

EPSS — Exploit Prediction

0.0617

Probability of exploitation

0.93%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
arista	ng_firewall	< 17.4.1

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-25623? +

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. It has a CVSS v3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2026-25623? +

CVE-2026-25623 has a CVSS v3.1 score of 6.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0617, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-25623? +

CVE-2026-25623 affects products from arista, specifically: ng_firewall. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-25623? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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