this post was submitted on 08 Mar 2025
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Undocumented Commands Found In Bluetooth Chip Manufactured in China Used By a Billion Devices. (www.tarlogic.com)
submitted 2 days ago* (last edited 1 day ago) by Tea@programming.dev to c/technology@lemmy.world
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https://themarkup.org/blacklight?url=https%3A%2F%2Fwww.tarlogic.com%2Fnews%2Fbackdoor-esp32-chip-infect-ot-devices%2F&device=mobile&location=us-ca&force=false

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.

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[–] sem@lemmy.blahaj.zone 1 points 1 day ago

I have a cheap wireless hygrometer in the house.. I don't know which chip gives it its capability. I just know ESP32 is the most common one.