CVE-2021-38522 : Vulnerability Insights and Analysis

NETGEAR R6400 devices before 1.0.1.52 are affected by a stack-based buffer overflow vulnerability that can be exploited by an authenticated user.

Understanding CVE-2021-38522

This CVE identifier refers to a vulnerability found in NETGEAR R6400 devices that could lead to a stack-based buffer overflow.

What is CVE-2021-38522?

CVE-2021-38522 affects NETGEAR R6400 devices prior to version 1.0.1.52, allowing an authenticated user to trigger a stack-based buffer overflow.

The Impact of CVE-2021-38522

The vulnerability poses a medium-severity risk with high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-38522

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in NETGEAR R6400 devices allows an authenticated user to exploit a stack-based buffer overflow.

Affected Systems and Versions

NETGEAR R6400 devices before version 1.0.1.52 are affected by this vulnerability.

Exploitation Mechanism

An authenticated user can trigger the stack-based buffer overflow on affected devices, potentially leading to unauthorized access or system compromise.

Mitigation and Prevention

To enhance security and protect your systems from CVE-2021-38522, consider the following mitigation strategies.

Immediate Steps to Take

Update NETGEAR R6400 devices to version 1.0.1.52 or later.
Restrict network access to vulnerable devices.

Long-Term Security Practices

Regularly check for security updates and patches from NETGEAR.
Implement strong authentication mechanisms and access controls.
Monitor network traffic for any suspicious activities.

Patching and Updates

Ensure timely installation of security patches and firmware updates provided by NETGEAR to address the CVE-2021-38522 vulnerability.