Armis researchers found eight vulnerabilities in the Bluetooth implementation for Android, Microsoft Windows, Linux, and iOS. Nearly all Bluetooth-capable devices are affected, meaning 5.3 billion devices are at risk. BlueBorne takes advantage of the fact that Bluetooth-enabled devices are always listening for other devices they can connect to. An attacker can walk into a building carrying a device pre-loaded with malware and infect a device in the lobby just by standing near it. The vulnerabilities can be weaponized by using commonly available tools to target devices.”]
Source: https://www.csoonline.com/article/3224447/blueborne-is-bluetooths-stagefright-moment.html