CVE-2021-45564 : Exploit Details and Defense Strategies

Certain NETGEAR devices are affected by command injection vulnerability, impacting various models. This vulnerability allows authenticated users to execute commands on the affected devices.

Understanding CVE-2021-45564

This CVE pertains to the command injection vulnerability affecting specific NETGEAR devices.

What is CVE-2021-45564?

CVE-2021-45564 is a vulnerability that enables authenticated users to inject and execute commands on affected NETGEAR devices.

The Impact of CVE-2021-45564

The vulnerability's impact is rated as high with a CVSSv3.1 base score of 8.4. It affects confidentiality, integrity, and availability, posing a significant risk to affected devices.

Technical Details of CVE-2021-45564

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows authenticated users to inject commands into the affected devices, potentially leading to unauthorized actions.

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

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: High
Scope: Changed
User Interaction: None

Mitigation and Prevention

Protect your devices from this vulnerability by following the mitigation strategies below.

Immediate Steps to Take

Update the firmware to the latest version provided by NETGEAR.
Ensure strong authentication mechanisms are in place to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor for security advisories and updates from NETGEAR.
Implement network segmentation to limit the impact of potential intrusions.

Patching and Updates

Apply patches and firmware updates promptly to address known vulnerabilities and enhance device security.