Samsung Galaxy S8 plus (Android version: 8.0.0 Build Number: R16NW.G955USQU5CRG3 Baseband Vendor: Qualcomm Snapdragon 835 Baseband: G955USQU5CRG3) Samsung Galaxy S3 (Android version: 4.3 Build Number: JSS15J.I9300XXUGND5 Baseband Vendor: Samsung Exynos 4412 Baseband: I9300XXUGNA8) and Samsung Galaxy Note 2 (Android version: 4.3 Build Number: JSS15J.I9300XUGND5 Baseband Vendor: Samsung Exynos 4412 Baseband: N7100DDUFND1) devices allow attackers to send AT commands over Bluetooth resulting in several Denial of Service (DoS) attacks.