CVE-2026-109571Fire-Boltt BSW013 firmware through V0.0.8 Unauthenticated Heart Rate Disclosure via BLE
Updated under an hour ago ()
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It affects Fire-Boltt BSW013. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 12, 2026
- First seen by InfoSec Signals
- Oct 12, 2026
Affected products
Fire-Boltt BSW013 fire_boltt:bsw013 (from the name) | through V0.0.8 | CNA record |
References
- https://github.com/Pratham-16/fireboltt-Bsw013-BLE-vulntechnical-description, exploit
- https://www.vulncheck.com/advisories/fire-boltt-bsw013-firmware-through-v0-0.8-unauthenticated-heart-rate-disclosure-via-blethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.