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CVE-2026-25624 Arista Networks CVE debrief

CVE-2026-25624 is a MEDIUM severity vulnerability in Arista Edge Threat Management - Arista Next Generation Firewall. An administrative cross-site scripting (XSS) vulnerability exists in the web user interface dashboard layout. Unvalidated user-supplied variables are echoed back to administrative profiles, facilitating vector payload processing behavior controls.

Vendor
Arista Networks
Product
Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
CVSS
MEDIUM 5.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-06-08
Advisory published
2026-06-05
Advisory updated
2026-06-08

Who should care

Administrators and users of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) should be aware of this vulnerability.

Technical summary

The vulnerability has a CVSS score of 5.8 and is classified as CWE-79. The affected product is Arista NG Firewall, with versions prior to 17.4.1 being vulnerable.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the patch or upgrade to a non-vulnerable version of Arista NG Firewall.
  • Refer to the vendor advisory for more information: [ref-4](https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133)

Evidence notes

The CVE record and NVD detail can be found at: [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-25624) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-25624).

Official resources

CVE-2026-25624 was published on 2026-06-05T20:17:31.160Z and modified on 2026-06-08T19:08:16.633Z.