We’ve been keeping up with the ongoing software developed for the ESP32 WiFi chip, and that means a lot of flashing, hooking up random wires, and rebooting. Along the way, we stumbled on an E… ...

As exploits go, it’s pretty straightforward: the toothbrush tries to connect to a default WiFi network (SSID evowera, pass 12345678), tries to acquire new firmware, and flashes this when found ...