CVE-2021-45659 : Exploit Details and Defense Strategies

Certain NETGEAR devices are affected by server-side injection. This impacts various models such as RBK40, RBR40, RBS40, RBK20, RBR20, RBS20, RBK50, RBR50, RBS50, and RBS50Y. The vulnerability has a CVSS base score of 7.1.

Understanding CVE-2021-45659

This CVE involves server-side injection impacting multiple NETGEAR device models.

What is CVE-2021-45659?

CVE-2021-45659 refers to a server-side injection vulnerability affecting specific NETGEAR devices and models.

The Impact of CVE-2021-45659

The vulnerability has a high severity level with significant confidentiality and integrity impact, requiring low privileges for exploitation.

Technical Details of CVE-2021-45659

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability allows attackers to perform server-side injection on affected NETGEAR devices.

Affected Systems and Versions

RBK40, RBR40, RBS40 before 2.5.1.16
RBK20, RBR20, RBS20 before 2.5.1.16
RBK50, RBR50, RBS50 before 2.5.1.16
RBS50Y before 2.6.1.40

Exploitation Mechanism

The attack complexity is low, using a local attack vector with no user interaction required.

Mitigation and Prevention

Steps to address and mitigate the CVE.

Immediate Steps to Take

Apply security patches provided by NETGEAR promptly.
Monitor network traffic for any suspicious activity.
Limit access to affected devices.

Long-Term Security Practices

Regularly update firmware and software on devices.
Implement network segmentation to limit the impact of potential attacks.
Conduct security assessments and penetration testing.

Patching and Updates

Ensure the installation of the latest firmware updates and security patches from NETGEAR.