If you have a legitimate need to unlock a device (e.g., you are the owner and the original integrator is no longer available), contact the manufacturer directly with proof of purchase. They may provide an un-locking code or a specialized service firmware to reset the unit safely.
: Designed to read passwords in clear text by exploiting known vulnerabilities, such as CVE-2022-2003 plc hmi password unlock v42 2021 free