This is definitely a valid concern if the plaintext transmission can be recorded and played back and still be valid. Hopefully they've built-in some kind of sh

This is definitely a valid concern if the plaintext transmission can be recorded and played back and still be valid. Hopefully they've built-in some kind of short expiration timestamp. That said, the speaker output from your phone in your home isn't going so far that anyone else could pick it up without being in your home at the time that you're configuring it.