CVE-2021-45634 : Exploit Details and Defense Strategies

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects multiple models before specified versions.

Understanding CVE-2021-45634

Certain NETGEAR devices are susceptible to command injection by unauthorized users, posing a critical security threat.

What is CVE-2021-45634?

CVE-2021-45634 is a vulnerability found in NETGEAR devices that allows an unauthenticated attacker to execute commands, potentially leading to unauthorized access and control of the affected devices.

The Impact of CVE-2021-45634

This vulnerability has been rated with a CVSS base score of 9.6, indicating a critical severity level. The impact includes:

High availability impact
High confidentiality impact
High integrity impact
No privileges required
Changed scope

Technical Details of CVE-2021-45634

Affected NETGEAR devices suffer from the following:

Vulnerability Description

The vulnerability allows an unauthenticated attacker to perform command injections on affected devices.

Affected Systems and Versions

CBR750 before 4.6.3.6
RBK752, RBR750, RBS750, RBK852, RBR850, RBS850 before 3.2.17.12

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
User Interaction: None

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risk of exploitation.

Immediate Steps to Take

Disable remote management access if not required
Monitor network traffic for suspicious activities
Implement strong password policies

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security assessments and penetration testing

Patching and Updates

Refer to the vendor's security advisory for patch details and update instructions.