There's another Bluetooth vulnerability on the market, according to DBAPPSecurity research presented at Black Hat 2020.

A German university student show how to execute code on a Samsung Galaxy S10e.

The vulnerability would require an outsider to already have obtained a victim's username and password.

"These vulnerabilities are the most serious Bluetooth vulnerabilities identified to date," Armis researchers explained.

Securing the connected, smart and increasingly autonomous cars of tomorrow against hackers and online criminals will only get harder, warns the Cloud Security Alliance.