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Undocumented Commands Found In Bluetooth Chip Manufactured in China Used By a Billion Devices.
(www.tarlogic.com)
Source Link Privacy.
Tarlogic Security has detected a backdoor in the ESP32, a microcontroller that enables WiFi and Bluetooth connection and is present in millions of mass-market IoT devices. Exploitation of this backdoor would allow hostile actors to conduct impersonation attacks and permanently infect sensitive devices such as mobile phones, computers, smart locks or medical equipment by bypassing code audit controls.
Update: The ESP32 "backdoor" that wasn't.
In that case, how long til some open source project uses it to make a custom firmware to bypass the manufacturer bs and integrate my cheap IoTs seamlessly into Home assistant?
You can already reflash a lot of devices for this purpose. And you could use esp-home to customise once reflashed
Really? Where can I find this
Tasmota is another option if they have your specific device in their list. Otherwise you have to do some debugging to figure out what gpio or i2c address to use.