CVE-2019-20470

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain SMS commands. This can be used to set up a voice communication channel from the watch to any telephone number, initiated by sending a specific SMS and using the default password, e.g., pw,<password>,call,<mobile_number> triggers an outbound call from the watch. The password is sometimes available because of CVE-2019-20471.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-1188 CWE-284

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
tk-star	q90_junior_gps_horloge_firmware	3.1042.9.8656

References

http://seclists.org/fulldisclosure/2024/Jul/14
https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/Third Party Advisory
https://www.tk-star.comVendor Advisory
http://seclists.org/fulldisclosure/2024/Jul/14
https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/Third Party Advisory
https://www.tk-star.comVendor Advisory

Timeline

Published: Feb 1, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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