CVE-2021-45644 : Exploit Details and Defense Strategies

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

Understanding CVE-2021-45644

This CVE involves security misconfiguration in select NETGEAR routers, leading to potential high-level impacts.

What is CVE-2021-45644?

Incorrect security settings configuration in certain NETGEAR devices
Affects multiple models including AC2100, AC2400, R6220, R6330, and more

The Impact of CVE-2021-45644

CVSS Score: 6.8 (Medium Severity)
Attack Complexity: Low
Attack Vector: Adjacent Network
High impacts on Confidentiality, Integrity, and Availability

Technical Details of CVE-2021-45644

This section covers specific technical aspects of the vulnerability.

Vulnerability Description

Security misconfiguration issue in affected NETGEAR routers
Found in models like AC2100, AC2400, R6230, R7200, and more

Affected Systems and Versions

AC2100, AC2400, AC2600, R6220, R6230, R6330, R6350, R6700v2, and more
Vulnerable before specific firmware versions (e.g., before 1.2.0.88)

Exploitation Mechanism

Requires high privileges for exploitation
Scope remains unchanged with no user interaction needed

Mitigation and Prevention

Mitigation strategies and steps to prevent exploitation.

Immediate Steps to Take

Update affected devices to the latest firmware versions
Disable remote management if not required
Apply strong and unique passwords for device access

Long-Term Security Practices

Regularly monitor security advisories from NETGEAR
Implement network segmentation to limit access to vulnerable devices

Patching and Updates

Apply security patches provided by NETGEAR promptly
Regularly check for firmware updates and apply them as soon as available