CVE-2023-44831 Explained : Impact and Mitigation

Understanding CVE-2023-44831

A buffer overflow vulnerability was discovered in D-Link DIR-823G A1V1.0.2B05, affecting the SetWLanRadioSettings function.

What is CVE-2023-44831?

The CVE-2023-44831 vulnerability allows attackers to exploit the Type parameter, leading to a Denial of Service (DoS) by sending malicious input.

The Impact of CVE-2023-44831

This vulnerability can result in a DoS attack on the affected D-Link DIR-823G A1V1.0.2B05 device, disrupting its normal functionality.

Technical Details of CVE-2023-44831

The vulnerability stems from a buffer overflow in the Type parameter of the SetWLanRadioSettings function.

Vulnerability Description

The buffer overflow in the Type parameter enables attackers to craft malicious input, triggering a DoS condition on the device.

Affected Systems and Versions

The vulnerability affects D-Link DIR-823G A1V1.0.2B05 devices.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input to the Type parameter, causing a buffer overflow and subsequent DoS.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2023-44831.

Immediate Steps to Take

Update the firmware of D-Link DIR-823G A1V1.0.2B05 to a non-vulnerable version.
Implement network security controls to prevent unauthorized access to the device.

Long-Term Security Practices

Regularly monitor for security updates and patches released by D-Link.
Conduct security assessments and penetration testing to identify and mitigate vulnerabilities.

Patching and Updates

Ensure timely application of firmware updates and security patches provided by D-Link to address the CVE-2023-44831 vulnerability.