CVE-2021-45572 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by command injection vulnerability, allowing an authenticated user to exploit the system. This impacts models such as RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.

Understanding CVE-2021-45572

This CVE relates to a command injection vulnerability affecting specific NETGEAR devices, potentially leading to severe consequences.

What is CVE-2021-45572?

The vulnerability allows authenticated users to execute commands on affected devices, posing a significant security risk.

The Impact of CVE-2021-45572

The high severity vulnerability can lead to attackers compromising confidentiality, integrity, and availability of the affected systems, exploiting them post-authentication.

Technical Details of CVE-2021-45572

This section outlines the technical aspects and implications of the CVE.

Vulnerability Description

The vulnerability allows authenticated users to inject commands into specific NETGEAR devices, including models RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.

Affected Systems and Versions

RBK752 before 3.2.16.6
RBR750 before 3.2.16.6
RBS750 before 3.2.16.6
RBK852 before 3.2.16.6
RBR850 before 3.2.16.6
RBS850 before 3.2.16.6

Exploitation Mechanism

An authenticated user can exploit the vulnerability by injecting malicious commands post-authentication on the affected NETGEAR devices.

Mitigation and Prevention

Protecting systems from CVE-2021-45572 is crucial for maintaining security.

Immediate Steps to Take

Update the firmware of the vulnerable devices to version 3.2.16.6 or above.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor for any unauthorized activities on the network.
Conduct security audits and assessments to identify and address potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by NETGEAR to mitigate the CVE-2021-45572 vulnerability.