A handful of bugs in LG smart TVs running WebOS could allow an attacker to bypass authorization and gain root access on the device. Once they have gained root, your TV essentially belongs to the intruder who can use that access to do all sorts of nefarious things including moving laterally through your home network, dropping malware, using the device as part of a botnet, spying on you — or at the very least severely screwing up your streaming service algorithms.

Source: The Register