CVE-2021-45590 : What You Need to Know

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects multiple NETGEAR router models.

Understanding CVE-2021-45590

This CVE involves command injection vulnerability in certain NETGEAR devices, potentially leading to serious security issues.

What is CVE-2021-45590?

Command injection vulnerability in specific NETGEAR routers could allow an authenticated user to execute arbitrary commands, compromising the device's security.

The Impact of CVE-2021-45590

The vulnerability has a CVSS v3.1 base score of 8.4 (High), with significant impacts on confidentiality, integrity, and availability. It requires high privileges and has a low attack complexity.

Technical Details of CVE-2021-45590

This section covers specific technical details about the CVE.

Vulnerability Description

The vulnerability allows an authenticated user to execute commands on affected NETGEAR devices, such as RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850, before version 3.2.16.6.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user to inject malicious commands into the device, potentially leading to complete system compromise.

Mitigation and Prevention

Protecting against and mitigating the impact of the CVE is crucial.

Immediate Steps to Take

Update the affected devices to version 3.2.16.6 or later.
Limit access to trusted users only.
Monitor network logs for suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches.
Implement network segmentation to minimize the attack surface.

Patching and Updates

Apply security patches provided by NETGEAR promptly to address the vulnerability and enhance device security.