Due to the use of an insecure algorithm for rolling codes in MCK Smartlock 1.0, allows attackers to unlock the mechanism via replay attacks.
https://www.youtube.com/watch?v=EruaGuE-cWI
https://twitter.com/Kevin2600/status/1495007534419038213
https://tiger-team-1337.blogspot.com/2022/05/rf-remote-mck-lock-predictable-rolling.html