5.8

CVE-2026-25624: arista networks arista edge threat management - arista next generation firewall (ngfw) Cross-site Scripting

CVSS: 5.8v4.0MediumAnalyzed
Published 05-06-2026Last modified 05-06-2026

Vulnerability summary

CVE-2026-25624 is a medium (CVSS 5.8) Cross-site Scripting vulnerability in arista networks arista edge threat management - arista next generation firewall (ngfw). EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.27%
0%100%
Low · +0.11 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

An administrative cross-site scripting (XSS) vulnerability exists in the web user interface dashboard layout of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). Unvalidated user-supplied variables are echoed back to administrative profiles, facilitating vector payload processing behavior controls.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

+0.11 pp

From 0.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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