CVE-2025-41753 Path traversal in dynamically created BACnet File Objects

Critical 9.3 Published Updated

Unauthenticated remote attackers can traverse directories to read or overwrite arbitrary files on WAGO BACnet controllers, potentially leading to system compromise.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-41753?

CVE-2025-41753 is a critical path traversal vulnerability in WAGO 0750-811x-xxxx-xxxx, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The object name of a dynamically created BACnet File Object is interpreted as a file path without sufficient validation. Because relative paths are not limited to the intended directory, an unauthenticated remote attacker can traverse outside of it and read or overwrite arbitrary files on the device, which may lead to full system compromise.

Weakness: CWE-22

Which versions are affected by CVE-2025-41753?

How do I fix CVE-2025-41753?

No fix has been published for CVE-2025-41753 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-41753 being exploited?

There is no known exploitation of CVE-2025-41753 in the wild and no public exploit code.

Sources

Also known as GHSA-wjph-23gm-wp68.

Is CVE-2025-41753 in your software?

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