CVE-2026-109570 Fire-Boltt BSW013 through V0.0.8 Unauthenticated BLE Notification Injection
Unpaired attackers within Bluetooth range can inject spoofed notifications and trigger vibrations on Fire-Boltt BSW013 smartwatches due to missing authentication on BLE commands.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109570?
CVE-2026-109570 is a medium-severity missing authorization vulnerability in Fire-Boltt BSW013, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-109570?
How do I fix CVE-2026-109570?
No fix has been published for CVE-2026-109570 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-109570 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109570 exists.
Sources
Also known as GHSA-hf79-56cq-w4qp.