An undocumented command has been discovered in Espressif's ESP32 chips that could be exploited to the detriment of millions of users.

Researchers have found undocumented commands in a popular bluetooth chip which is inside over a billion devices worldwide. The secret commands are in the ESP32 chip, which is made by Espressif. The commands could allow attackers to spoof devices,

Undocumented commands in a popular Bluetooth chip could allow hackers to spoof devices and access data. Actor Gene Hackman's wife was captured in a final video image on the last day she was alive. That's according to a painstaking reconstruction of the tragic couple's last days by USA Today.

Researchers discovered what they're describing as a potential security issue that could affect a billion devices.

A hidden feature in a cheap and wildly popular Bluetooth chip used in at least a billion devices could lead to identity theft, security researchers have warned.