CVE-2026-109571

Fire-Boltt BSW013 smartwatch firmware through V0.0.8 contains a missing authentication vulnerability that allows unpaired BLE devices to subscribe to the Heart Rate Measurement characteristic 0x2A37. Attackers within Bluetooth range can receive the wearer's live heart rate readings without pairin...

CVE-2026-109571 Fire-Boltt BSW013 firmware through V0.0.8 Unauthenticated Heart Rate Disclosure via BLE

Fire-Boltt BSW013 smartwatch firmware through V0.0.8 contains a missing authentication vulnerability that allows unpaired BLE devices to subscribe to the Heart Rate Measurement characteristic 0x2A37. Attackers within Bluetooth range can receive the wearer's live heart rate readings without pairin...