CVE-2021-45505 : What You Need to Know

Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Understanding CVE-2021-45505

This CVE involves an authentication bypass vulnerability affecting specific NETGEAR devices.

What is CVE-2021-45505?

An authentication bypass vulnerability impacting certain NETGEAR devices
Versions affected: CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, and more

The Impact of CVE-2021-45505

CVSS Base Score: 9.6 (Critical)
Attack Complexity: Low
Attack Vector: Adjacent Network
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: None
Scope: Changed
User Interaction: None

Technical Details of CVE-2021-45505

This section provides in-depth technical insights into the authentication bypass vulnerability.

Vulnerability Description

The vulnerability allows for authentication bypass on affected NETGEAR devices

Affected Systems and Versions

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

Exploitation Mechanism

The attacker can exploit the vulnerability to bypass authentication on the mentioned devices

Mitigation and Prevention

Protecting against and mitigating the effects of the CVE are critical.

Immediate Steps to Take

Apply security patches provided by NETGEAR
Monitor for any unauthorized access to the affected devices

Long-Term Security Practices

Regularly update firmware and software on network devices
Implement strong, unique passwords and enable multi-factor authentication where possible

Patching and Updates

Stay informed about security advisories from NETGEAR and promptly apply recommended patches