CVE-2025-41727 Beckhoff: Performing privileged operations and gaining administrator access

High 7.8 Published Updated

A local low-privileged attacker can bypass authentication in the Device Manager UI to perform privileged operations and gain administrator access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-41727?

CVE-2025-41727 is a high-severity authentication bypass vulnerability in Beckhoff.Device.Manager.XAR, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A local low privileged attacker can bypass the authentication of the Device Manager user interface, allowing them to perform privileged operations and gain administrator access.

Weakness: CWE-420

Which versions are affected by CVE-2025-41727?

How do I fix CVE-2025-41727?

No fix has been published for CVE-2025-41727 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-41727 being exploited?

There is no known exploitation of CVE-2025-41727 in the wild and no public exploit code.

Sources

Also known as GHSA-f6mf-xjgg-34j8.

Is CVE-2025-41727 in your software?

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