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CVE-2026-86131

CVE-2026-86131

9.2

Critical

Published:30 Sep 2026

Last updated:6 Oct 2026

Source:5d1c2695-1a31-4499-88ae-e847036fd7e3

Analyzed

Weakness (CWE)

CWE-94Code Injection
CWE-295Improper Certificate Validation
CWE-829CWE-829

CVSS Vector

v4.0

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: Present
Privileges Required: None
User Interaction: None
Confidentiality (Vulnerable): High
Integrity (Vulnerable): High
Availability (Vulnerable): High
Confidentiality (Subsequent): None
Integrity (Subsequent): None
Availability (Subsequent): None

View on MITRE Find PoC on GitHub

Description

A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.

References

5d1c2695-1a31-4499-88ae-e847036fd7e3

https://psirt.watchguard.com/CVE-2026-86131