OS Command Injection in Arista Edge Threat Management - Arista NG Firewall (NGFW) - CVE-2026-25622
Published: April 15, 2026
Vulnerability identifier: #VU126177
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-25622
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Arista Networks
Affected software:
Arista Edge Threat Management - Arista NG Firewall (NGFW)
Arista Edge Threat Management - Arista NG Firewall (NGFW)
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to command injection in the Captive Portal Custom Handler when handling crafted input in the NGFW user interface. A remote privileged user can submit crafted input to execute arbitrary commands.
Exploitation requires access to an administrative account logged into the NGFW user interface.
How to mitigate CVE-2026-25622
Install security update from vendor's website.