Medium severity · published Jun 5, 2026
CVE-2026-25624
Arista Edge Threat Management NGFW UI Administrative Cross-Site Scripting
4.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
Arista Edge Threat Management - Arista Next Generation Firewall (NGFW) · Arista Networks
through 17.4.0 · source: vendor
NF
NG Firewall · Arista
before 17.4.1 · source: NVD
Affected product
AE
Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)
Arista Networks
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25624
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25624
Vendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisory/23399-security-advisory-0133
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