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CVE-2026-25621: arista networks arista edge threat management - arista next generation firewall (ngfw) OS Command Injection

CVSS: 7.0v4.0HighAnalyzed
Published 05-06-2026Last modified 05-06-2026
Open JSON

Vulnerability summary

CVE-2026-25621 is a high (CVSS 7.0) OS Command Injection vulnerability in arista networks arista edge threat management - arista next generation firewall (ngfw). EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v4.0 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-06-2026
    PublishedVulnerability first disclosed.
  2. 05-06-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

+0.15 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Arista1 product
Arista networks1 product

2 vendors · 2 products

References

1 links