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GFCI’s (Ground Fault Circuit Interrupts) are a practically
unnoticeable part of our daily lives- except maybe for when
you have to fumble around with the Reset button on your
hair dryer to get it to work, of course, I re-discovered a
way to melt and spark (sometimes explode) components
that make up the GFCI mechanism for several off-the-shelf
electro domestics wirelessly using specific RF frequencies.
Magic smoke/spark demo included! Similarly, I’m able to trip
other GFCI’s (the type built-in to several apartment/home
walls) creating a DoS on running electro domestics. Electro
domestics are probably not be the worst this vulnerability
could potentially achieve, since GFCI’s and solenoids are used
on many different types of electronics and they are required
by code on many household locations.I also use a directional
antenna to remote disable and/or trip GFCI’s from a few
yards away. I list all vulnerable patents I ran across and all
affected switch types (such as AFCI’s).
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