[masida]

They're probably talking about the wireless network adapter here, not the CPU. If that's what you're implying.

[aexaey]

Alas, CPU. Namely ME[1] and FSP/SMM blob [2].

If you are wondering what's wrong with either of them, I would recommend Joanna Rutkowska's research as a starting point [3,4].

[1] https://libreboot.org/faq/#intelme

[2] https://libreboot.org/faq/#fsp

[3] http://blog.invisiblethings.org/papers/2015/x86_harmful.pdf

[4] https://media.ccc.de/v/32c3-7352-towards_reasonably_trustwor...