Siemens S7 200 Smart Password Unlock Fixed 'link' < TOP ✭ >

Power down the PLC, remove the MicroSD card, and power the unit back up. The CPU is now completely unlocked and ready for a fresh program download. The Reality of "Password Cracking" Tools and Fixed Exploits

A fixed solution does not rely on hacking. Siemens provides a backdoor for authorized service personnel using the software (version 2.8 or higher) and a known hardware sequence. siemens s7 200 smart password unlock fixed