There have been many cases of hacking and damage in smartphones, but a certain type of attack can also be done on fast chargers. Chinese security researchers have said that the system of connected devices can be damaged after Fast Chargers tamper with the firmware. The phone components attached to the charger can range from melting to fire.
The attack technique has been named BadPower and it has been reported in the report of Xuanwu Lab last week. The lab is the research unit of Chinese tech company Tencent. According to the researchers, the BadPower attack corrupts the fast charger firmware. Please tell, with the help of fast charger, the charging time can be reduced considerably and the phones are charged quickly.
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This is how chargers work
Fast Chargers look similar to normal chargers but work on special firmware. This firmware understands the connected device and the charging speed is fixed accordingly. If the fast charging feature is not supported in the phone, then the charger delivers standard 5V but if the device can handle large charging inputs, then the fast charger can send 12V, 20V and above for fast charging.
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This is the way of attack
BadPower Technique changes the default charging parameters of existing chargers. This means that the charger starts sending excess power and this means that the device can melt, ignite and even explode. Such an attack cannot be detected and is extremely dangerous. Researchers found in the investigation that 18 out of 35 popular chargers can be attacked.
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