CVE-2019-15526 Explained : Impact and Mitigation

A vulnerability has been found on D-Link DIR-823G devices using firmware V1.0.2B05 that allows for command injection in HNAP1 with Authentication.

Understanding CVE-2019-15526

This CVE identifies a command injection vulnerability in D-Link DIR-823G devices.

What is CVE-2019-15526?

The vulnerability in D-Link DIR-823G devices allows attackers to execute commands by inserting shell metacharacters in the Type field to SetWanSettings.

The Impact of CVE-2019-15526

This vulnerability can be exploited to execute unauthorized commands on affected devices, potentially leading to unauthorized access or control.

Technical Details of CVE-2019-15526

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Command injection vulnerability in D-Link DIR-823G devices
Exploitable with Authentication via shell metacharacters in the Type field to SetWanSettings

Affected Systems and Versions

D-Link DIR-823G devices with firmware V1.0.2B05

Exploitation Mechanism

Attackers can insert shell metacharacters in the Type field to SetWanSettings to exploit the vulnerability

Mitigation and Prevention

To address CVE-2019-15526, consider the following steps:

Immediate Steps to Take

Update the firmware of D-Link DIR-823G devices to the latest version
Implement strong authentication mechanisms
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly conduct security assessments and penetration testing
Educate users on safe browsing habits and security best practices

Patching and Updates

Stay informed about security updates from D-Link and apply patches promptly