The ESP32 chip in question is inexpensive and easy to purchase, costing just 2 euros (about 320 yen), so it is used in many IoT devices, and manufacturer Espressif announced in 2023 that '1 ...

The researchers warned that ESP32 is one of the world's most widely used chips for Wi-Fi + Bluetooth connectivity in IoT (Internet of Things) devices, so the risk is significant. Slide from the ...