EUVD-2026-81275

TCH QRing smart ring model R20B006 running firmware RT09R201.00.00250318 contains an unauthenticated Bluetooth Low Energy access vulnerability that allows any nearby attacker to connect to the device without pairing, authentication, or user approval by exploiting the exposed Nordic UART Service...

CVE-2026-89034 TCH QRing R20_B006 Unauthenticated BLE Access

TCH QRing smart ring model R20B006 running firmware RT09R201.00.00250318 contains an unauthenticated Bluetooth Low Energy access vulnerability that allows any nearby attacker to connect to the device without pairing, authentication, or user approval by exploiting the exposed Nordic UART Service...

CVE-2025-32879

An issue was discovered on COROS PACE 3 devices through 3.0808.0. It starts advertising if no device is connected via Bluetooth. This allows an attacker to connect with the device via BLE if no other device is connected. While connected, none of the BLE services and characteristics of the device...

PT-2025-26321 · Coros · Coros Pace 3

Name of the Vulnerable Software and Affected Versions: COROS PACE 3 versions through 3.0808.0 Description: An issue was discovered that affects the Bluetooth pairing method of the device. It identifies itself as a device without input or output capabilities, resulting in the use of the Just Works...