Yes and No. Yes because buffer overruns are great for exploits. No because now that it has been publicized, Google will be forced to roll out a fix. IMO it's like the vulnerable bootloader. Once it became public, it caught the attention of the Hollywood legal teams who said "OMG! Root = piracy!! Google, you MUST fix this or we will pull your access to content and your stick will be useless!"
Granted, now that screen casting is available on Chromecast, even if there were no content for its apps, at least you could screen cast, but still... a Chromecast with no content to cast is a $35 paperweight, or HDMI port dust cover.
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