CVE-2026-86131

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.

Score

CVSS 3.1 9.8 Critical

Status

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

Published

2026-09-29

Last modified

2026-10-06

Weaknesses

CWE-295, CWE-829, CWE-94

Affected products

• Fireware (Watchguard)
• Fireware Os (Watchguard)

References

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