CVE-2018-21140 : What You Need to Know

This CVE involves security settings issues in specific NETGEAR devices, impacting D3600 devices before version 1.0.0.76 and D6000 devices prior to version 1.0.0.76.

Understanding CVE-2018-21140

This CVE highlights a security misconfiguration problem in certain NETGEAR devices, leading to potential vulnerabilities.

What is CVE-2018-21140?

The CVE-2018-21140 vulnerability pertains to incorrect security settings in NETGEAR devices, affecting specific models.

The Impact of CVE-2018-21140

The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of the affected devices.

Technical Details of CVE-2018-21140

This section delves into the technical aspects of the CVE.

Vulnerability Description

The security issue arises from misconfigured settings in NETGEAR devices, specifically the D3600 and D6000 models.

Affected Systems and Versions

NETGEAR D3600 devices before version 1.0.0.76
NETGEAR D6000 devices prior to version 1.0.0.76

Exploitation Mechanism

The vulnerability can be exploited through adjacent network access, with no user interaction or privileges required.

Mitigation and Prevention

To address CVE-2018-21140, users should take immediate and long-term security measures.

Immediate Steps to Take

Update affected devices to version 1.0.0.76 or above.
Implement network segmentation to limit exposure.
Monitor for any unusual network activity.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security audits and assessments periodically.

Patching and Updates

Ensure that all NETGEAR devices are running the latest firmware versions to mitigate the security misconfiguration vulnerability.