CVE-2026-25622

HIGH CVSS 4.0: 7.0 EPSS 0.97%
Updated Jul 23, 2026
Arista
Parameter Value
CVSS 7.0 (HIGH)
Affected Versions before 17.4.1
Fixed In 17.4.1
Type CWE-78 (OS Command Injection)
Vendor Arista
Public PoC No

A Captive Portal Custom Handler command injection vulnerability exists in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). On affected platforms, an administrative account logged into the user interface can exploit this input handling behavior to execute arbitrary platform shell commands.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Arista Ng_Firewall
cpe:2.3:a:arista:ng_firewall:*:*:*:*:*:*:*:*
— 17.4.1