CVE-2018-21229 : Exploit Details and Defense Strategies

Some NETGEAR devices are experiencing security issues due to misconfigured settings, affecting specific models and firmware versions.

Understanding CVE-2018-21229

Certain NETGEAR devices are impacted by security misconfigurations, leading to vulnerabilities in various router models.

What is CVE-2018-21229?

CVE-2018-21229 highlights security vulnerabilities in NETGEAR routers caused by incorrect security settings on specific models and firmware versions.

The Impact of CVE-2018-21229

The vulnerability has a CVSS base score of 5.3, with a medium severity level. It poses a high confidentiality impact but no integrity impact.

Technical Details of CVE-2018-21229

NETGEAR devices are affected by misconfigured security settings, impacting the following models and firmware versions:

Vulnerability Description

R7500v2 models with firmware versions prior to 1.0.3.20
R7800 models with firmware versions prior to 1.0.2.38
WN3000RPv3 models with firmware versions prior to 1.0.2.50
WNDR4300v2 models with firmware versions prior to 1.0.0.50
WNDR4500v3 models with firmware versions prior to 1.0.0.50

Affected Systems and Versions

The vulnerability affects specific NETGEAR router models with outdated firmware versions.

Exploitation Mechanism

The vulnerability can be exploited through adjacent network access, with high attack complexity and no user interaction required.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-21229 vulnerability:

Immediate Steps to Take

Update affected devices to the latest firmware versions.
Ensure proper configuration of security settings on NETGEAR routers.

Long-Term Security Practices

Regularly monitor and update router firmware.
Implement strong password policies and network security measures.

Patching and Updates

NETGEAR provides patches and updates to address security vulnerabilities in affected devices.