CVE-2019-19226 Explained : Impact and Mitigation

A vulnerability in the D-Link DSL-2680 web administration interface allows attackers to manipulate MAC address filtering without authentication.

Understanding CVE-2019-19226

This CVE identifies a Broken Access Control vulnerability in the D-Link DSL-2680 web admin interface.

What is CVE-2019-19226?

The vulnerability enables unauthenticated attackers to control MAC address filtering settings on the device.

The Impact of CVE-2019-19226

Unauthorized users can enable or disable MAC address filtering on the affected device.
Attackers can manipulate network access control without proper authentication.

Technical Details of CVE-2019-19226

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw in the D-Link DSL-2680 interface allows attackers to modify MAC address filtering via a crafted POST request.

Affected Systems and Versions

Product: D-Link DSL-2680
Firmware Version: EU_1.03

Exploitation Mechanism

Attackers exploit the vulnerability by submitting a specific Forms/WlanMacFilter_1 POST request.

Mitigation and Prevention

Protecting systems from CVE-2019-19226 is crucial for maintaining security.

Immediate Steps to Take

Apply security patches provided by D-Link promptly.
Monitor network activity for any unauthorized changes in MAC address filtering.

Long-Term Security Practices

Implement strong authentication mechanisms for admin interfaces.
Regularly update firmware and software to address security vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from D-Link.