CVE-2020-24581 Explained : Impact and Mitigation

An issue was discovered on D-Link DSL-2888A devices with firmware prior to AU_2.31_V1.1.47ae55. It contains an execute_cmd.cgi feature that allows an authenticated user to execute Operating System commands.

Understanding CVE-2020-24581

This CVE identifies a security vulnerability in D-Link DSL-2888A devices that could be exploited by authenticated users to run OS commands.

What is CVE-2020-24581?

The vulnerability in D-Link DSL-2888A devices allows authenticated users to execute Operating System commands through the execute_cmd.cgi feature.

The Impact of CVE-2020-24581

The vulnerability could lead to unauthorized execution of commands on the affected devices, potentially compromising their security and integrity.

Technical Details of CVE-2020-24581

This section provides more technical insights into the CVE.

Vulnerability Description

The issue lies in the execute_cmd.cgi feature of D-Link DSL-2888A devices with firmware versions prior to AU_2.31_V1.1.47ae55, enabling authenticated users to execute OS commands.

Affected Systems and Versions

Affected Systems: D-Link DSL-2888A devices
Vulnerable Versions: Firmware versions prior to AU_2.31_V1.1.47ae55

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to run Operating System commands, potentially leading to unauthorized actions on the device.

Mitigation and Prevention

Protecting systems from CVE-2020-24581 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected D-Link DSL-2888A devices to firmware version AU_2.31_V1.1.47ae55 or later.
Restrict access to the execute_cmd.cgi feature to authorized personnel only.

Long-Term Security Practices

Regularly monitor and audit device logs for any suspicious activities.
Implement strong authentication mechanisms to control access to critical features.

Patching and Updates

Apply security patches and firmware updates provided by D-Link to address the vulnerability.