CVE-2026-109571: low-severity vulnerability in Fire-Boltt BSW013
Fire-Boltt BSW013 firmware through V0.0.8 Unauthenticated Heart Rate Disclosure via BLE
Published · Updated
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28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.3epss 0.2%
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 pairing, bonding, or any confirmation on the watch.
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
Fire-Boltt · BSW013public PoCs found — 1
cve_referencegithub.com/Pratham-16/fireboltt-Bsw013-BLE-vulnunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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