CVE-2021-45604 : Exploit Details and Defense Strategies

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This impacts various device models before specific firmware versions.

Understanding CVE-2021-45604

This CVE relates to a stack-based buffer overflow vulnerability affecting multiple NETGEAR devices.

What is CVE-2021-45604?

Stack-based buffer overflow vulnerability in NETGEAR devices
Authenticated user exploitation
Affects multiple device models before specific firmware versions

The Impact of CVE-2021-45604

CVSSv3.1 Base Score: 4.5 (Medium)
Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: High
Availability Impact: High
No impact on Confidentiality or Integrity

Technical Details of CVE-2021-45604

This section provides detailed technical information about the CVE.

Vulnerability Description

Stack-based buffer overflow vulnerability
Exploitable by authenticated users

Affected Systems and Versions

List of affected NETGEAR devices and their firmware versions provided

Exploitation Mechanism

The vulnerability can be exploited by a malicious authenticated user to trigger a stack-based buffer overflow.

Mitigation and Prevention

Actions to mitigate and prevent the exploit of CVE-2021-45604.

Immediate Steps to Take

Update affected devices to the recommended firmware versions.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly update firmware to address security vulnerabilities.
Enforce strong authentication methods.
Monitor network traffic for any unusual activities.

Patching and Updates

Keep devices up to date with the latest firmware releases to patch known vulnerabilities.