CVE-2026-25622
Analyzed Analyzed - Analysis Complete
Command Injection in Arista Next Generation Firewall

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Arista Networks, Inc.

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.
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Meta Information
Published
2026-06-05
Last Modified
2026-06-08
Generated
2026-06-27
AI Q&A
2026-06-06
EPSS Evaluated
2026-06-25
NVD
CVE-2026-25622
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
arista ng_firewall to 17.4.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
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Executive Summary

This vulnerability is a command injection flaw in the Captive Portal Custom Handler of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). It allows an administrative user who is logged into the user interface to exploit improper input handling and execute arbitrary shell commands on the platform.

Impact Analysis

An attacker with administrative access can leverage this vulnerability to run arbitrary commands on the affected system. This could lead to unauthorized control over the firewall platform, potentially compromising system integrity, confidentiality, and availability.

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