The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device.Referenceshttps://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/https://tapplock.com/notice/20180612/
