The cheap WLAN and Bluetooth chips from the manufacturer Espressif, ESP32, contain undocumented commands in the Bluetooth hardware communication in current firmware versions. This opens up a security ...
The ESP32 microcontroller is emerging as a leading platform for DIY IoT and smart home projects, combining Wi-Fi, Bluetooth, and low power consumption with Arduino IDE compatibility. Makers are using ...
Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...