CVE-2019-20500 : What You Need to Know

D-Link DWL-2600AP 4.2.0.15 Rev A devices are affected by an authenticated OS command injection vulnerability in the Save Configuration feature of the Web interface.

Understanding CVE-2019-20500

This CVE involves a critical vulnerability in D-Link DWL-2600AP 4.2.0.15 Rev A devices that allows attackers to execute OS commands through specially crafted input.

What is CVE-2019-20500?

The vulnerability exists in the admin.cgi?action=config_save configBackup or downloadServerip parameter of the Save Configuration feature, enabling authenticated attackers to inject malicious commands.

The Impact of CVE-2019-20500

This vulnerability could lead to unauthorized access, data theft, system compromise, and potential disruption of services on affected devices.

Technical Details of CVE-2019-20500

Dive deeper into the technical aspects of this CVE.

Vulnerability Description

The flaw allows authenticated users to execute arbitrary OS commands by manipulating specific parameters in the Save Configuration function of the device's Web interface.

Affected Systems and Versions

Product: D-Link DWL-2600AP 4.2.0.15 Rev A
Version: All versions are affected

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious shell metacharacters in the vulnerable parameters, gaining unauthorized access and control over the device.

Mitigation and Prevention

Learn how to protect your systems from CVE-2019-20500.

Immediate Steps to Take

Disable remote access to the affected device if not required
Implement strong, unique passwords for all accounts on the device
Regularly monitor and audit device logs for any suspicious activities

Long-Term Security Practices

Conduct regular security assessments and penetration testing on the network
Keep devices up to date with the latest firmware and security patches

Patching and Updates

Check for firmware updates from D-Link and apply patches promptly to address this vulnerability