A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). On affected platforms, an administrative account logged into the user interface can exploit this input handling behavior to execute arbitrary platform shell commands.

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Advisories

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Fixes

Solution

The recommended resolution is to upgrade to NGFW Version 17.4.1 at your earliest convenience.


Workaround

Per operational best practice security models, do not allow unauthorized administrative access to the administrative browser.

History

Fri, 05 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 05 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
Description A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). On affected platforms, an administrative account logged into the user interface can exploit this input handling behavior to execute arbitrary platform shell commands.
Title Arista Edge Threat Management NGFW Captive Portal Custom Handler Command Injection
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/S:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Arista

Published:

Updated: 2026-06-05T20:26:59.005Z

Reserved: 2026-02-03T22:23:04.359Z

Link: CVE-2026-25622

cve-icon Vulnrichment

Updated: 2026-06-05T20:26:55.753Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-05T20:17:30.820

Modified: 2026-06-05T20:48:41.560

Link: CVE-2026-25622

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T21:45:05Z

Weaknesses