CVE-2023-44833 : Security Advisory and Response

A buffer overflow vulnerability was discovered in D-Link DIR-823G A1V1.0.2B05, allowing attackers to cause a Denial of Service (DoS) through a crafted input.

Understanding CVE-2023-44833

This section will provide insights into the vulnerability's impact and technical details.

What is CVE-2023-44833?

CVE-2023-44833 is a buffer overflow vulnerability found in D-Link DIR-823G A1V1.0.2B05's GuardInt parameter in the SetWLanRadioSettings function.

The Impact of CVE-2023-44833

The vulnerability allows attackers to exploit the GuardInt parameter to trigger a DoS attack on affected systems.

Technical Details of CVE-2023-44833

Explore the specifics of the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The buffer overflow occurs due to insufficient input validation in the GuardInt parameter, leading to a DoS potential.

Affected Systems and Versions

D-Link DIR-823G A1V1.0.2B05 is confirmed to be affected by this vulnerability, impacting systems with this specific setup.

Exploitation Mechanism

Attackers can exploit the buffer overflow by providing malicious input to the GuardInt parameter, triggering the DoS condition.

Mitigation and Prevention

Learn about the steps to mitigate the risk posed by CVE-2023-44833.

Immediate Steps to Take

It is crucial to update the affected D-Link DIR-823G A1V1.0.2B05 device with the latest firmware patch to address the buffer overflow vulnerability.

Long-Term Security Practices

Implement security best practices like regular security assessments, network segmentation, and monitoring to enhance overall security posture.

Patching and Updates

Stay informed about security updates from D-Link and apply patches promptly to protect against known vulnerabilities.