You should check the manual for the Clever Dog application because I've searched the web and didn't find anything about it.
Or you could send an inquiry to the manufacturers to ask how to reset the password if you forgot it. However, I know that when you forget the password, the simplest way to reset the password is to do a factory reset. Keep the camera unplugged for a long time 1-2 days, or press the RESET button (if it has one!) for a long time (30 - 2 minutes).