What is CVE-2026-25624?

CVE-2026-25624 is a medium-severity vulnerability in Arista Ng_firewall, classified under Cross-site Scripting. CVSS score: 5.7/10. Published 2026-06-05.

How severe is CVE-2026-25624?

Medium severity. CVSS v3 base score is 5.7 out of 10.

XSS in Arista Ng_firewall

CVE-2026-25624

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L.

Affected products

Arista Ng_firewall

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@arista.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25624?: CVE-2026-25624 is a medium-severity vulnerability in Arista Ng_firewall, classified under Cross-site Scripting. CVSS score: 5.7/10. Published 2026-06-05.
How severe is CVE-2026-25624?: Medium severity. CVSS v3 base score is 5.7 out of 10.