CVE-2021-45642 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by incorrect configurations of security settings, impacting several models.

Understanding CVE-2021-45642

This vulnerability affects a range of NETGEAR devices due to misconfigured security settings.

What is CVE-2021-45642?

The CVE-2021-45642 vulnerability involves incorrect security configurations on various NETGEAR devices, potentially exposing them to security risks.

The Impact of CVE-2021-45642

The vulnerability has a CVSS v3.1 base score of 7.5, with a high severity rating due to its potential to compromise system integrity and require high privileges for exploitation.

Technical Details of CVE-2021-45642

The following are detailed technical aspects of CVE-2021-45642:

Vulnerability Description

Incorrect security settings lead to potential vulnerabilities.

Affected Systems and Versions

D7800 before 1.0.1.64
EX6250 before 1.0.0.134
RBR50 before 2.7.3.22
Multiple other models listed in the CVE description.

Exploitation Mechanism

Attack complexity: Low
Attack vector: Adjacent network
Scope: Changed
Privileges required: High

Mitigation and Prevention

Steps to address and prevent CVE-2021-45642:

Immediate Steps to Take

Update affected devices to the latest firmware.
Disable remote management if not needed.

Long-Term Security Practices

Regularly update device firmware to patch security vulnerabilities.
Implement strong and unique passwords for device access.
Monitor vendor security advisories for any new vulnerabilities.
Consider network segmentation to limit the impact of potential breaches.

Patching and Updates

NETGEAR provides patches for affected devices to address the security misconfiguration.