https://www.theregister.co.uk/2018/07/24/bluetooth_cryptography_bug/

With a bunch of security fixes announced and more on the way, details had been made public of a Bluetooth bug that potentially allows miscreants to commandeer nearby devices.

This Carnegie-Mellon CERT vulnerability advisory on Monday laid out the cryptographic flaw: firmware or operating system drivers skip a vital check during a Diffie-Hellman key exchange between devices.