Has anyone considered how easy it would be to set up rogue access points and botnets inside AirBnBs? Free power. Free network access. Router hardware access. All you need to do is hide the device or make it look like part of the decor.
Someone could easily install a rogue device that is accessible on a random port anywhere in the world.
Could also DNS poison, capture/decrypt packets, etc. The list goes on and on.