CVE-2021-45571 Explained : Impact and Mitigation

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects multiple models before specific versions which are listed below.

Understanding CVE-2021-45571

This CVE identifies a command injection vulnerability impacting several NETGEAR devices, allowing authenticated users to execute arbitrary commands.

What is CVE-2021-45571?

CVE-2021-45571 discloses a command injection vulnerability present in certain NETGEAR devices, posing a significant risk to confidentiality, integrity, and availability.

The Impact of CVE-2021-45571

The severity is rated as High due to its potential for elevated privileges and manipulation of affected systems by authenticated attackers.

Technical Details of CVE-2021-45571

The technical aspects of the CVE reveal insights into the vulnerability and its implications.

Vulnerability Description

Certain NETGEAR devices are vulnerable to command injection, allowing authenticated users to run unauthorized commands leading to unauthorized access.

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 vulnerability can be exploited by authenticated users, leveraging the flaw to execute arbitrary commands on the affected devices.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2021-45571 is crucial for enhancing security measures.

Immediate Steps to Take

Update affected devices to versions higher than those specified.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit device activity for suspicious behavior.
Educate users on best security practices to prevent successful exploitation.

Patching and Updates

Ensure timely installation of security patches and updates provided by NETGEAR to address this vulnerability.