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CVE-2026-25620 Arista Networks CVE debrief

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 software releases are not exposed. The vulnerability has a CVSS score of 7 and is classified as HIGH.

Vendor
Arista Networks
Product
Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
CVSS
HIGH 7
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) version 17.4.0 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability exists in the Captive Portal application framework of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). It is caused by an encrypted password command injection issue. The Common Vulnerabilities and Exposures (CVE) score is 7, indicating a HIGH severity level.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the patch or update to a fixed version of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) as recommended by the vendor.
  • Refer to the vendor advisory for more information and mitigation strategies. [ref-4]

Evidence notes

The information provided is based on the CVE record and the National Vulnerability Database (NVD) details.

Official resources

CVE-2026-25620 was published on 2026-06-05T20:17:30.447Z and modified on 2026-06-08T19:15:23.813Z.