CVE-2019-20471 — An issue was discovered on TK-Star Q90 Junior GPS horloge 3

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. When using the device at initial setup, a default password is used (123456) for administrative purposes. There is no prompt to change this password. Note that this password can be used in combination

01What is this vulnerability?

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. When using the device at initial setup, a default password is used (123456) for administrative purposes. There is no prompt to change this password. Note that this password can be used in combination with CVE-2019-20470.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2021-02-01T20:10:12.000Z
• Last modified: 2024-08-08T17:42:37.433Z

09References

• www.tk-star.com — https://www.tk-star.com
• www.eurofins-cybersecurity.com — https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/
• seclists.org — http://seclists.org/fulldisclosure/2024/Jul/14