CVE-2021-45542 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by command injection by an authenticated user. This impacts multiple models such as RAX200, RAX75, RAX80, RBK852, RBR850, and RBS850.

Understanding CVE-2021-45542

This CVE identifies a command injection vulnerability in specific NETGEAR devices.

What is CVE-2021-45542?

Command injection vulnerability allows an authenticated user to execute arbitrary commands on affected devices, potentially leading to unauthorized access and control.

The Impact of CVE-2021-45542

The vulnerability has a high severity level, with significant impacts on confidentiality, integrity, and availability of the affected devices.

Technical Details of CVE-2021-45542

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated user to inject and execute commands on affected NETGEAR devices.

Affected Systems and Versions

RAX200 before 1.0.4.120
RAX75 before 1.0.4.120
RAX80 before 1.0.4.120
RBK852 before 3.2.17.12
RBR850 before 3.2.17.12
RBS850 before 3.2.17.12

Exploitation Mechanism

The exploitation of this vulnerability requires a high level of privileges on the device and can be performed without user interaction, posing a significant risk.

Mitigation and Prevention

Protecting against CVE-2021-45542 is crucial for device security.

Immediate Steps to Take

Apply security patches provided by NETGEAR promptly.
Monitor network activity for any signs of unauthorized access.
Restrict access privileges to reduce the risk of exploitation.

Long-Term Security Practices

Regularly update device firmware to mitigate known vulnerabilities.
Conduct security audits and assessments to identify and address potential weaknesses.

Patching and Updates

Timely installation of security patches and firmware updates is essential to prevent exploitation of this vulnerability.