Sonos and Bose speakers can be remotely taken over by hackers

https://www.youtube.com/watch?v=sSIIEgZrfus

Sonos and Bose speakers assume that any device on the same network segment can be trusted to send them audio without any further authentication; if these speakers are on a network whose owner has opened a hole in their firewalls (to run a game-server, say, or because another device on the network has been compromised), they can have data sent to them by anyone on the internet. (more")