Millions of smart TVs can be controlled by hackers exploiting a vulnerability in the Roku smart-TV platform, allowing them to pump the volume from a whisper to blaring levels, rapidly cycle through channels, open disturbing YouTube content or kick the TV off the Wi-Fi network. According to Consumer Reports, the remote takeover flaw affects Samsung and TCL televisions, the Roku Ultra set-top streaming device and other brands that use the Roku platform, including Hisense, Hitachi, Insignia, Philips, RCA and Sharp.

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