CVE-2025-2781: WatchGuard Mobile VPN with SSL Local Privilege Escalation via Non-Standard Installation Directory

Severity: medium (CVSS 6.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-28 · updated 2026-08-08
Weakness: CWE-276

Description

The WatchGuard Mobile VPN with SSL Client on Windows does not properly configure directory permissions when installed in a non-default directory. This could allow an authenticated local attacker to escalate to SYSTEM privileges on a vulnerable system.

Affected products

WatchGuard Mobile VPN with SSL Client: from 11.0 before 12.11.2 — fixed in 12.11.2

How to fix

Upgrade to a fixed version: WatchGuard Mobile VPN with SSL Client 12.11.2. Check the vendor advisory for mitigations.

References

https://psirt.watchguard.com/CVE-2025-2781
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00004

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