CVE-2018-21112 : Vulnerability Insights and Analysis

A vulnerability affecting certain NETGEAR devices allows authenticated users to perform command injection, impacting devices such as D7800, R7500v2, R7800, R8900, and R9000.

Understanding CVE-2018-21112

This CVE entry identifies a security flaw in specific NETGEAR devices that enables authenticated users to execute command injection.

What is CVE-2018-21112?

The vulnerability in CVE-2018-21112 permits authenticated users to conduct command injection on NETGEAR devices like D7800, R7500v2, R7800, R8900, and R9000.

The Impact of CVE-2018-21112

The vulnerability poses a medium-severity risk with high impacts on confidentiality, integrity, and availability of the affected devices.

Technical Details of CVE-2018-21112

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows authenticated users to execute commands on affected NETGEAR devices, potentially leading to unauthorized access and control.

Affected Systems and Versions

NETGEAR D7800 (version 1.0.1.44 or earlier)
NETGEAR R7500v2 (version 1.0.3.38 or earlier)
NETGEAR R7800 (version 1.0.2.52 or earlier)
NETGEAR R8900 (version 1.0.4.12 or earlier)
NETGEAR R9000 (version 1.0.4.12 or earlier)

Exploitation Mechanism

The vulnerability allows authenticated users to inject and execute arbitrary commands on the affected devices, potentially compromising their security.

Mitigation and Prevention

To address CVE-2018-21112, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by NETGEAR.
Implement strong, unique passwords for device access.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on best security practices and awareness.

Patching and Updates

NETGEAR has released patches to address the vulnerability. Users should promptly apply these updates to secure their devices.