Flutterby™! : Espressif's response

Espressif's response

2025-03-11 15:55:58.420909+01 by Dan Lyke 0 comments

There has been a tendency on a number of security issues to say "OMG, privileged code can accomplish things, this is a security hole!". The recent ESP32 Bluetooth kerfluffle is one such. Espressif’s Response to Claimed Backdoor and Undocumented Commands in ESP32 Bluetooth Stack

What was found

The functionality found are debug commands included for testing purposes. These debug commands are part of Espressif’s implementation of the HCI (Host Controller Interface) protocol used in Bluetooth technology. This protocol is used internally in a product to communicate between Bluetooth layers. Please read our technical blog to learn more.

Via.

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