A vulnerability was found in MBS UBR-01 Mk II, UBR-02 and UBR-LON. It has been declared as critical. Affected is an unknown function of the file wwwupdate.cgi of the component Web Interface. Executing a manipulation can lead to improper verification of cryptographic signature.

This vulnerability is registered as CVE-2025-41767. It is possible to launch the attack remotely. No exploit is available.

It is recommended to upgrade the affected component.