CVE-2026-25624: arista networks arista edge threat management - arista next generation firewall (ngfw) Cross-site Scripting
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.
Timeline
- 05-06-2026PublishedVulnerability first disclosed.
- 05-06-2026Last 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- NVDNIST5.8MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/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:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arista1 product
- ng_firewall< 17.4.1
Arista networks1 product
2 vendors · 2 products