Espressif's Response to Undocumented Commands in ESP32 Bluetooth by Tarlogic

Espressif’s Response to Claimed Backdoor and Undocumented Commands in ESP32 Bluetooth Stack Recently, some media have reported on a press release initially calling out ESP32 chips for having a “backdoor”. Espressif would like to take this opportunity to clarify this matter for our users and partners. Recently, some media have reported on a press release initially calling out ESP32 chips for having a “backdoor”. Of note is that the original press release by the Tarlogic research team was factually corrected to remove the “backdoor” designation. However, not all media coverage has been amended to reflect this change. Espressif would like to take this opportunity to clarify this matter for our users and partners. 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 ... Read full article.