As for me, a nmap scan of my Sony TV shows that it runs a Linux kernel in the 2.6.9 - 2.6.28 range. It's likely just used for the Internet functionality and per

As for me, a nmap scan of my Sony TV shows that it runs a Linux kernel in the 2.6.9 - 2.6.28 range. It's likely just used for the Internet functionality and perhaps for the on-screen UI. Port 12345 is open and responds to telnet, but it's password protected and I've never been able to determine what the password would be.