David Schwartz, the CTO of Ripple, has expressed concern over a Bluetooth vulnerability that has been discovered in the ESP32 microcontroller, which is used in a wide range of Bluetooth IoT devices. The vulnerability allows for the injection of malicious code through undocumented commands, potentially enabling bad actors to gain access to offline devices and steal personal data or spy on users. While some debate whether these commands constitute a true backdoor, there is currently no easy solution to the problem, necessitating the replacement of affected hardware. Espressif, the Chinese company responsible for the chip, has not yet commented on the issue.



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