Encrypted Password Command Injection in Arista Next Generation Firewall

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Arista Networks, Inc.

Description

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-05

Last Modified

2026-06-08

Generated

2026-07-17

AI Q&A

2026-06-06

EPSS Evaluated

2026-07-15

NVD

CVE-2026-25620

Affected Vendors & Products

Vendor	Product	Version / Range
arista	ng_firewall	17.4

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This vulnerability is an encrypted password command injection issue found in the Captive Portal application framework of the Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). It specifically affects version 17.4.0 of the software, while earlier versions are not vulnerable.

Impact Analysis

The vulnerability can lead to unauthorized command execution due to the injection flaw, potentially allowing an attacker with high privileges to compromise the confidentiality, integrity, and availability of the affected system.

Hi! I’m here to help you understand CVE-2026-25620. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70