The login verification can be bypassed by using the problem that the time is not synchronized after the router restarts. This affects Xiaomi router AX1800rom version < 1.0.336 and Xiaomi route RM1800 root version < 1.0.26.
The product utilizes multiple threads or processes to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.