What is CVE-2026-25620?

CVE-2026-25620 is a medium-severity vulnerability in Arista Ng_firewall, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-05.

How severe is CVE-2026-25620?

Medium severity. CVSS v3 base score is 6.0 out of 10.

RCE in Arista Ng_firewall

CVE-2026-25620

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 softwar…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.099 (95.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L.

Affected products

Arista Ng_firewall — versions 17.4
Arista Networks Edge Threat Management - Next Generation Firewall (Ngfw) — versions 17.4.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-25620?: CVE-2026-25620 is a medium-severity vulnerability in Arista Ng_firewall, classified under OS Command Injection. CVSS score: 6.0/10. Published 2026-06-05.
How severe is CVE-2026-25620?: Medium severity. CVSS v3 base score is 6.0 out of 10.