CVE-2020-14441 Explained : Impact and Mitigation

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-2020-14441

This CVE identifies a critical command injection vulnerability in certain NETGEAR devices that can be exploited by an unauthenticated attacker.

What is CVE-2020-14441?

The CVE-2020-14441 vulnerability allows an attacker to execute arbitrary commands on affected NETGEAR devices without authentication, potentially leading to unauthorized access and control of the device.

The Impact of CVE-2020-14441

The impact of this vulnerability is rated as critical with a CVSS base score of 9.6. It poses a high risk to confidentiality and integrity, requiring no privileges for exploitation.

Technical Details of CVE-2020-14441

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves command injection by an unauthenticated attacker on certain NETGEAR devices, enabling the execution of malicious commands.

Affected Systems and Versions

RBK752, RBK753, RBK753S, RBR750, RBS750, RBK842, RBR840, RBS840, RBK852, RBK853, RBR850, and RBS850 before version 3.2.15.25 are affected.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Availability Impact: Low
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: None
Scope: Changed
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-14441 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected NETGEAR devices to version 3.2.15.25 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation attempts.

Long-Term Security Practices

Implement network segmentation to limit the attack surface and isolate critical devices.
Regularly review and update device firmware to address security vulnerabilities.

Patching and Updates

Regularly check for security advisories from NETGEAR and apply patches promptly to address known vulnerabilities.