7.0
HIGH CVSS 4.0
CVE-2026-25621
Arista Edge Threat Management NGFW Reports Application Insecure Input Validation
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.

INFO

Published Date :

June 5, 2026, 8:17 p.m.

Last Modified :

July 23, 2026, 7:10 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-25621 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Arista ng_firewall
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7
CVSS 4.0 HIGH [email protected]
Solution
Update Arista NGFW to version 17.4.0 or later to fix input validation.
  • Update Arista NGFW to version 17.4.0 or later.
  • Apply vendor-provided security patches immediately.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-25621.

URL Resource
https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-25621 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-25621 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-25621 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Jul. 23, 2026

    Action Type Old Value New Value
    Added Translation Title: Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) de Arista Networks, Description: Una vulnerabilidad en la infraestructura de la aplicación de Informes existe en Arista Edge Threat Management - Arista Cortafuegos de Próxima Generación (NGFW) debido a una validación de entrada insegura. Este problema afecta únicamente a la versión 17.4.0; versiones de software anteriores no están expuestas.
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Arista Networks', 'product': 'Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)', 'versions': [{'status': 'affected', 'version': '17.4.0', 'versionType': 'custom'}], 'platforms': ['Arista Edge Threat Management - Arista Next Generation Firewall (Formerly Untangle)'], 'defaultStatus': 'unaffected'}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-25621', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-05T20:26:29.068961Z'}
  • Initial Analysis by [email protected]

    Jun. 08, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:arista:ng_firewall:17.4:*:*:*:*:*:*:*
    Added Reference Type Arista Networks, Inc.: https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Jun. 05, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
    Added CWE CWE-78
    Added Reference https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.