CVE-2022-44186 Explained : Impact and Mitigation

A buffer overflow vulnerability has been identified in Netgear R7000P V1.3.1.64 through the parameter wan_dns1_pri, potentially allowing attackers to execute arbitrary code.

Understanding CVE-2022-44186

This section provides insights into the nature of the CVE-2022-44186 vulnerability.

What is CVE-2022-44186?

CVE-2022-44186 is a buffer overflow vulnerability in Netgear R7000P V1.3.1.64 that exists in the /usr/sbin/httpd due to improper handling of the wan_dns1_pri parameter.

The Impact of CVE-2022-44186

The presence of this vulnerability may result in remote code execution, potentially enabling threat actors to compromise the affected system.

Technical Details of CVE-2022-44186

Explore the technical aspects of the CVE-2022-44186 vulnerability below.

Vulnerability Description

The vulnerability arises from a buffer overflow issue in /usr/sbin/httpd, triggered by specific handling of the wan_dns1_pri parameter.

Affected Systems and Versions

Netgear R7000P V1.3.1.64 is confirmed to be affected by this vulnerability, potentially placing users of this version at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests containing malicious input via the wan_dns1_pri parameter, potentially leading to buffer overflow and arbitrary code execution.

Mitigation and Prevention

Learn about the necessary steps to mitigate and prevent exploitation of CVE-2022-44186.

Immediate Steps to Take

It is critical to update Netgear R7000P V1.3.1.64 to a patched version provided by the vendor to remediate this vulnerability.

Long-Term Security Practices

Implement network security best practices and regularly update device firmware to bolster overall security posture.

Patching and Updates

Keep abreast of security advisories from Netgear and promptly apply patches and updates to safeguard against known vulnerabilities.