CVE-2021-45562 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by command injection, potentially impacting various router models such as RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.

Understanding CVE-2021-45562

This CVE identifies command injection vulnerability in specific NETGEAR devices.

What is CVE-2021-45562?

CVE-2021-45562 pertains to the ability of an authenticated user to execute arbitrary commands on affected NETGEAR routers.

The Impact of CVE-2021-45562

The vulnerability poses a high-risk threat with significant impacts on confidentiality, integrity, and availability of the affected systems and user data.

Technical Details of CVE-2021-45562

This section dives into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows authenticated users to perform command injection on vulnerable NETGEAR devices.

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

The attack vector is through an adjacent network with a low attack complexity, requiring high privileges but no user interaction.

Mitigation and Prevention

Actions to secure the affected systems and prevent exploitation.

Immediate Steps to Take

Update the devices to version 3.2.16.6 or later.
Implement strong, unique passwords.
Monitor network traffic for suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security audits and penetration testing.

Patching and Updates

Ensure timely installation of security patches and firmware updates provided by NETGEAR.