CVE-2026-86131: watchguard fireware

CVSS 9.8 (critical) · published 2026-09-30

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.

Affected products (NVD): watchguard fireware

Fixed in (NVD): 12.5.21, 12.12.3, 2026.2.3, 2026.3.2

Weakness: CWE-94, CWE-295, CWE-829

Source: NVD CVE-2026-86131

References

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