Bluetooth security flaws could affect thousands of Mercedes, Volkswagen, Skoda cars - here's what we know

A close-up of the mobile connectivity options in iOS, showing buttons for Airplane Mode, mobile data, Wi-Fi, and Bluetooth.

• Researchers find four flaws in the BlueSDK Bluetooth stack
• They can be chained into the "PerfektBlue" RCE attack
• Multiple car vendors are allegedly affected

Security researchers have discovered four vulnerabilities in the BlueSDK Bluetooth stack which could be chained together for remote code execution (RCE) attacks.