CVE-2017-18823 : Security Advisory and Response

Certain NETGEAR devices are impacted by incorrect security settings configuration, affecting various models such as M4300-28G, M4300-52G, and others.

Understanding CVE-2017-18823

Some NETGEAR devices are vulnerable due to misconfigured security settings.

What is CVE-2017-18823?

CVE-2017-18823 refers to the incorrect configuration of security settings on specific NETGEAR devices, leading to potential security risks.

The Impact of CVE-2017-18823

The vulnerability has a CVSS base score of 7.7 (High severity) with a local attack vector and high availability and integrity impact.

Technical Details of CVE-2017-18823

NETGEAR devices are affected by misconfigured security settings.

Vulnerability Description

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

Affected Systems and Versions

M4300-28G, M4300-52G, M4300-28G-POE+, M4300-52G-POE+, M4300-8X8F, M4300-12X12F, M4300-24X24F, M4300-24X, M4300-48X, and M4200 before version 12.0.2.15.

Exploitation Mechanism

The vulnerability can be exploited locally without the need for privileges, impacting availability and integrity.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-18823 vulnerability.

Immediate Steps to Take

Update affected devices to version 12.0.2.15 or later.
Review and adjust security settings to ensure correct configuration.

Long-Term Security Practices

Regularly monitor and update security configurations on NETGEAR devices.
Implement network segmentation and access controls to limit exposure.

Patching and Updates

Apply patches and firmware updates provided by NETGEAR to address the security misconfiguration.