CVE-2019-7642 : Vulnerability Insights and Analysis

D-Link routers with the mydlink feature have a vulnerability that allows unauthorized access to certain web interfaces, exposing users' DNS query logs and login logs.

Understanding CVE-2019-7642

This CVE identifies a security flaw in specific D-Link router models that lack authentication requirements for crucial web interfaces.

What is CVE-2019-7642?

Some D-Link routers with the mydlink feature have web interfaces without authentication, enabling remote access to sensitive user data.
Affected router models include DIR-817LW (A1-1.04), DIR-816L (B1-2.06), DIR-816 (B1-2.06?), DIR-850L (A1-1.09), and DIR-868L (A1-1.10).

The Impact of CVE-2019-7642

Attackers can exploit this vulnerability to access users' DNS query logs and login logs remotely.

Technical Details of CVE-2019-7642

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Lack of authentication requirements in certain D-Link router web interfaces.

Affected Systems and Versions

Vulnerable router models: DIR-817LW (A1-1.04), DIR-816L (B1-2.06), DIR-816 (B1-2.06?), DIR-850L (A1-1.09), and DIR-868L (A1-1.10).

Exploitation Mechanism

Attackers can exploit the lack of authentication to remotely access DNS query logs and login logs.

Mitigation and Prevention

Protecting against CVE-2019-7642 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable remote management if not needed.
Regularly monitor router logs for suspicious activities.
Change default passwords to strong, unique ones.

Long-Term Security Practices

Keep router firmware up to date.
Implement network segmentation to limit access to sensitive data.

Patching and Updates

Check for firmware updates from D-Link and apply them promptly.