Affected: WAGO Series WAGO PFC100, WAGO Series WAGO PFC200, WAGO Series WAGO Touch Panel 600 Advanced Line, WAGO Series WAGO Touch Panel 600 Marine Line, WAGO Series WAGO Touch Panel 600 Standard Line, WAGO Compact Controller CC100, WAGO Edge Controller

The vulnerability allows a remote unauthenticated attacker to download a backup file, if one exists. That backup file might contain sensitive information like credentials and cryptographic material. A valid user has to create a backup after the last reboot for this attack to be successfull.