Undocumented backdoor found in Bluetooth chip used by a billion devices

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains an undocumented backdoor that could be leveraged for attacks. [...]


source https://www.bleepingcomputer.com/news/security/undocumented-backdoor-found-in-bluetooth-chip-used-by-a-billion-devices/