CVE-2020-14438 : Security Advisory and Response

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This vulnerability impacts various NETGEAR models before version 3.2.15.25.

Understanding CVE-2020-14438

This CVE identifies a critical command injection vulnerability in specific NETGEAR devices, allowing unauthenticated attackers to exploit the issue.

What is CVE-2020-14438?

CVE-2020-14438 is a security vulnerability that enables unauthenticated attackers to execute arbitrary commands on affected NETGEAR devices, potentially leading to unauthorized access and control.

The Impact of CVE-2020-14438

The impact of this vulnerability is severe, with a CVSS base score of 9.6 (Critical). It poses a high risk to confidentiality and integrity, requiring no privileges for exploitation.

Technical Details of CVE-2020-14438

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers to perform command injection on affected NETGEAR devices, compromising their security.

Affected Systems and Versions

The following NETGEAR models are affected:

RBK752, RBK753, RBK753S
RBR750, RBS750
RBK842, RBR840, RBS840
RBK852, RBK853
RBR850, RBS850 Ensure devices are updated to version 3.2.15.25 or later to mitigate the vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests to the affected devices, injecting malicious commands without the need for authentication.

Mitigation and Prevention

Protecting systems from CVE-2020-14438 is crucial to prevent unauthorized access and potential compromise.

Immediate Steps to Take

Update affected devices to version 3.2.15.25 or above to patch the vulnerability.
Implement network segmentation to limit access to vulnerable devices.

Long-Term Security Practices

Regularly monitor for security advisories and updates from NETGEAR.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about firmware updates and security patches released by NETGEAR.
Promptly apply patches to ensure devices are protected against known vulnerabilities.