A vulnerability classified as problematic has been found in ZKTeco ZKBio Time 9.0.1. Affected is an unknown function of the file /auth_files/photo/ of the component Image File Handler. The manipulation leads to direct request. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.