Unauthorized Access Vulnerability in O1 Smart Padlock of Shenzhen IOT Lock Technology Co.

O1 smart padlock produced by Shenzhen IOT Lock Technology Co., Ltd. is a smart lock that can be unlocked via Bluetooth using cell phone APP. Ltd. O1 smart padlock has an unauthorized access vulnerability that can be exploited by an attacker to remotely unlock the lock by replaying the user's unlo...