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Fire-Boltt BSW013 smartwatch accepts unauthenticated BLE alerts

Priority MEDIUM 57CWE-306Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Fire-Boltt BSW013 smartwatch firmware through V0.0.8 has a missing authentication flaw (CWE-306) in its proprietary BLE command characteristic. An unpaired attacker within Bluetooth range can write commands protected only by a CRC-16/ARC checksum, causing the watch to vibrate and display spoofed alert text for phishing. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Fire-Boltt BSW013 smartwatch firmware through V0.0.8 contains a missing authentication vulnerability that allows unpaired attackers to inject notifications by writing to the proprietary BLE command characteristic. Attackers within Bluetooth range can craft commands protected only by a CRC-16/ARC checksum to vibrate the watch and display spoofed alert text for phishing.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00258 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Fire-BolttBSW013up to V0.0.8—No fix listedCNA
  • BSW013 VendorFire-Boltt Affected up to V0.0.8 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Fire-Boltt BSW013.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109570
  2. 2026-10-13 Alias added: GHSA-hf79-56cq-w4qp
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-10-13 Priority changed: LOW → MEDIUM

References

  • TI-2024-20346 An issue in Fireboltt Dream Wristphone BSW202_FB_AAC_v2.0_20240110-20240110-1956 allows… CVSS 3.1HIGH 7.5
  • TI-2026-71301 Missing authentication in Fire-Boltt BSW013 leaks heart rate over BLE CVSS 4.0LOW 2.3

Sources