Affected: SICK AG SICK CLV6xx, SICK AG SICK Lector6xx, SICK AG SICK RFx6xx, sick rfu620-10507_firmware

A vulnerability in the .sdd file allows an attacker to read default passwords stored in plain text within the code. By exploiting these plaintext credentials, an attacker can log into affected SICK products as an “Authorized Client” if the customer has not changed the default password.