CVE-2019-20473: Tk-Star q90 Junior Gps Horloge Firmware

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. Any SIM card used with the device cannot have a PIN configured. If a PIN is configured, the device simply produces a "Remove PIN and restart!" message, and cannot be used. This makes it easier for an attacker to use the SIM card by stealing the device.

Affected products

• Tk-Star q90 Junior Gps Horloge Firmware: version 3.1042.9.8656 only

Published 2021-02-01. Last modified 2026-06-17.