Arista NGFW Input Validation Flaw in 17.4.0

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Arista Networks, Inc.

Description

A Reports application infrastructure vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) due to insecure input validation. This issue uniquely affects version 17.4.0; earlier software releases are not exposed.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-05

Last Modified

2026-06-08

Generated

2026-07-17

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-15

NVD

CVE-2026-25621

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 exists in the Reports application infrastructure of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) version 17.4.0. It is caused by insecure input validation, which means the application does not properly check or sanitize input data, potentially allowing malicious input to affect the system.

Impact Analysis

The vulnerability has a CVSS v3.1 base score of 6.0 and v4.0 base score of 7.0, indicating a moderate to high severity. It can impact confidentiality (high), integrity (low), and availability (low) of the system. Because it involves insecure input validation, an attacker with high privileges could exploit this to compromise sensitive data, alter information, or cause partial disruption of services.

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