CVE-2020-14439 : Exploit Details and Defense Strategies

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

Understanding CVE-2020-14439

This CVE involves command injection vulnerability in certain NETGEAR devices, allowing unauthorized attackers to execute commands.

What is CVE-2020-14439?

CVE-2020-14439 is a critical vulnerability in NETGEAR devices that enables unauthenticated attackers to perform command injection.

The Impact of CVE-2020-14439

The vulnerability has a CVSS base score of 9.6, indicating a critical severity level with high impacts on confidentiality and integrity.

Technical Details of CVE-2020-14439

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers to inject commands into affected NETGEAR devices, potentially leading to unauthorized actions.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
Scope: Changed
User Interaction: None

Mitigation and Prevention

Protecting systems from CVE-2020-14439 is crucial to prevent unauthorized access and potential harm.

Immediate Steps to Take

Update affected devices to version 3.2.15.25 or later.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security audits and penetration testing.

Patching and Updates

NETGEAR has released patches to address this vulnerability. Ensure timely installation of these updates to secure the devices.