CVE-2018-21231 Explained : Impact and Mitigation

Certain NETGEAR devices are affected by incorrect configuration of security settings, impacting various models before specific firmware versions.

Understanding CVE-2018-21231

This CVE identifies a vulnerability in NETGEAR devices due to misconfigured security settings.

What is CVE-2018-21231?

The security settings of specific NETGEAR devices have been improperly configured, leading to potential security risks.

The Impact of CVE-2018-21231

The vulnerability can result in unauthorized access or other security breaches due to incorrect security settings on affected devices.

Technical Details of CVE-2018-21231

This section provides more technical insights into the CVE-2018-21231 vulnerability.

Vulnerability Description

The vulnerability arises from the incorrect configuration of security settings on various NETGEAR devices.

Affected Systems and Versions

Devices affected include D1500, D500, D6100, D6220, D6400, D7000, and many more models before specific firmware versions.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: None
User Interaction: Required
Scope: Changed
CVSS Base Score: 5.2 (Medium)

Mitigation and Prevention

To address CVE-2018-21231, follow these mitigation strategies:

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update firmware and security patches.
Implement network segmentation to limit the impact of potential breaches.

Patching and Updates

Regularly check for firmware updates from NETGEAR and apply them promptly to mitigate security risks.