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...