CVE-2019-20470 : What You Need to Know

A vulnerability has been identified on TK-Star Q90 Junior GPS watch version 3.1042.9.8656 that allows unauthorized actions through SMS commands.

Understanding CVE-2019-20470

This CVE involves a security flaw in the TK-Star Q90 Junior GPS watch that enables the execution of specific actions via SMS commands.

What is CVE-2019-20470?

The vulnerability in the TK-Star Q90 Junior GPS watch version 3.1042.9.8656 allows the device to establish a voice communication channel to any telephone number by sending a specific SMS with the default password.

The Impact of CVE-2019-20470

Unauthorized voice communication initiation from the watch to any phone number
Potential exposure of the default password due to the vulnerability

Technical Details of CVE-2019-20470

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in the TK-Star Q90 Junior GPS watch allows the execution of actions through SMS commands, leading to unauthorized voice communication.

Affected Systems and Versions

Affected system: TK-Star Q90 Junior GPS watch version 3.1042.9.8656
All devices running this specific version are vulnerable

Exploitation Mechanism

The vulnerability can be exploited by sending a particular SMS with the default password to trigger voice communication from the watch to a designated phone number.

Mitigation and Prevention

Protecting against and preventing exploitation of CVE-2019-20470 is crucial.

Immediate Steps to Take

Change the default password on the TK-Star Q90 Junior GPS watch
Avoid sending SMS commands from unknown sources

Long-Term Security Practices

Regularly update the device firmware to patch known vulnerabilities
Implement strong password policies and avoid using default passwords

Patching and Updates

Check for firmware updates from the device manufacturer
Apply all security patches promptly to mitigate the vulnerability