CVE-2018-21230 : What You Need to Know

NETGEAR devices are impacted by security misconfigurations, affecting various models. Learn about the vulnerability, its impact, and mitigation steps.

Understanding CVE-2018-21230

This CVE involves incorrect security settings on multiple NETGEAR devices, potentially exposing them to security risks.

What is CVE-2018-21230?

The vulnerability stems from misconfigured security settings on NETGEAR devices, leaving them susceptible to exploitation.

The Impact of CVE-2018-21230

The vulnerability has a CVSS base score of 5.2 (Medium severity) and affects confidentiality, integrity, and user interaction.

Technical Details of CVE-2018-21230

This section delves into the specifics of the vulnerability.

Vulnerability Description

NETGEAR devices, including D1500, D500, D6100, and others, have security misconfigurations, potentially compromising their security.

Affected Systems and Versions

Numerous NETGEAR models are impacted, such as D7000, R7000, EX3700, and more, with specific versions listed for each device.

Exploitation Mechanism

The vulnerability requires adjacent network access and user interaction, with low impacts on confidentiality and integrity.

Mitigation and Prevention

Protect your devices from CVE-2018-21230 with these steps:

Immediate Steps to Take

Update affected devices to the recommended firmware versions.
Change default passwords and ensure strong, unique credentials.
Monitor network activity for any suspicious behavior.

Long-Term Security Practices

Regularly update firmware and security patches.
Implement network segmentation to isolate vulnerable devices.
Conduct security audits and assessments periodically.

Patching and Updates

NETGEAR provides patches and updates to address the security misconfigurations. Stay informed about new releases and apply them promptly.