# CVE-2025-1910: WatchGuard Mobile VPN with SSL privilege escalation via update package

Source: https://junglewise.ai/threats/cve-2025-1910-watchguard-mobile-vpn-with-ssl-privilege-escalation-via-update  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-04. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2025-1910 · Severity: info · CVSS 6.3 · Published 2025-12-04

WatchGuard Mobile VPN with SSL is a client software that allows Windows users to securely connect to corporate networks remotely. A locally authenticated non-administrative user can exploit a flaw in the update mechanism to gain full system-level (SYSTEM) privileges on the Windows machine, potentially allowing them to install malware, access sensitive data, or modify system settings without restriction.

Technologies: [Watchguard Mobile VPN with SSL client](https://junglewise.ai/threats/technologies/mobile-vpn-with-ssl-client). Vendors: [Watchguard](https://junglewise.ai/threats/vendors/watchguard).

## Quick answers

**Is CVE-2025-1910 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-1910 being exploited in the wild.

**How severe is CVE-2025-1910?** Informational severity, with a CVSS score of 6.3, published 4 December 2025.

**Which products and versions are affected?** Watchguard Mobile VPN with SSL client 11.0 to before 12.11.3.

**Is there a fix for CVE-2025-1910?** A patch was published on 2025-12-04: Version 12.11.3 and later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2025-1910 attacked?** It is attacked with local access.

**Am I affected by CVE-2025-1910?** Check whether you run Watchguard Mobile VPN with SSL client at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a command injection flaw (CWE-77) in the update package handling mechanism of the WatchGuard Mobile VPN with SSL Client on Windows. A locally authenticated non-administrative user can exploit improper neutralization of special elements in a command to escalate privileges to NT AUTHORITY/SYSTEM. The attack requires local access to the affected machine where the VPN client is installed. The flaw has been fixed in version 12.11.3 and later. No exploitation in the wild has been reported by WatchGuard.

## Affected products

- WatchGuard Mobile VPN with SSL Client 11.0 to before 12.11.3

## Timeline

- 2025-12-04: disclosed
- 2025-12-04: patched: Version 12.11.3 and later

## References

- [https://psirt.watchguard.com/CVE-2025-1910](https://psirt.watchguard.com/CVE-2025-1910)
- [https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00008](https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00008)

## Related threats

- [WatchGuard Mobile VPN with SSL client privilege escalation](https://junglewise.ai/threats/cve-2026-13079-watchguard-mobile-vpn-with-ssl-client-privilege-escalation)
- [WatchGuard Mobile VPN with SSL privilege escalation on Windows](https://junglewise.ai/threats/cve-2025-1549-watchguard-mobile-vpn-with-ssl-privilege-escalation-on-windows)