Is CVE-2026-109570 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-109570?

CVE-2026-109570 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-109570

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.