CVE-2019-6441 Explained : Impact and Mitigation

A vulnerability has been found on various devices including the Shenzhen Coship RT3050 4.0.0.40, RT3052 4.0.0.48, RT7620 10.0.0.49, WM3300 5.0.0.54, and WM3300 5.0.0.55. The router's password reset feature lacks backend validation for the existing password and does not require any form of authentication. By sending a POST request to the apply.cgi file, an attacker can modify the admin username and password of the router.

Understanding CVE-2019-6441

This section provides insights into the nature and impact of the CVE-2019-6441 vulnerability.

What is CVE-2019-6441?

CVE-2019-6441 is a security vulnerability affecting Shenzhen Coship routers, allowing unauthorized users to change the admin credentials without proper authentication.

The Impact of CVE-2019-6441

The vulnerability poses a significant risk as attackers can gain unauthorized access to the router's admin account, compromising the network's security and potentially leading to further exploitation.

Technical Details of CVE-2019-6441

Explore the technical aspects of the CVE-2019-6441 vulnerability.

Vulnerability Description

The password reset functionality of Shenzhen Coship routers lacks backend validation for the current password and does not require any authentication, enabling attackers to change the admin credentials.

Affected Systems and Versions

Shenzhen Coship RT3050 4.0.0.40
Shenzhen Coship RT3052 4.0.0.48
Shenzhen Coship RT7620 10.0.0.49
Shenzhen Coship WM3300 5.0.0.54
Shenzhen Coship WM3300 5.0.0.55

Exploitation Mechanism

By sending a POST request to the apply.cgi file of the router, attackers can exploit the lack of authentication and validation to change the admin username and password.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2019-6441.

Immediate Steps to Take

Disable remote management access to the router if not required.
Regularly monitor router logs for any suspicious activities.
Change the default admin credentials to strong, unique passwords.

Long-Term Security Practices

Keep router firmware up to date to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential breaches.
Conduct regular security audits to identify and address any security gaps.

Patching and Updates

Apply patches and updates provided by Shenzhen Coship to address the vulnerability and enhance the security of the affected routers.