CVE-2021-45504 : Exploit Details and Defense Strategies
Learn about CVE-2021-45504 affecting NETGEAR devices. Understand the critical impact, affected systems like CBR40, CBR750, RBR852, and mitigation steps to prevent exploitation.
Certain NETGEAR devices are affected by an authentication bypass vulnerability, impacting devices like CBR40, CBR750, RBR852, RBR850, and RBS850.
Understanding CVE-2021-45504
This CVE involves an authentication bypass vulnerability affecting specific NETGEAR devices.
What is CVE-2021-45504?
The CVE-2021-45504 vulnerability pertains to an authentication bypass issue present in several NETGEAR devices.
The Impact of CVE-2021-45504
The vulnerability has a CVSS base score of 9.6, indicating a critical severity level with high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-45504
This section provides more in-depth technical details about the CVE.
Vulnerability Description
The vulnerability allows for authentication bypass on affected NETGEAR devices.
Affected Systems and Versions
- CBR40 before 2.5.0.24
- CBR750 before 4.6.3.6
- RBR852 before 3.2.17.12
- RBR850 before 3.2.17.12
- RBS850 before 3.2.17.12
Exploitation Mechanism
The vulnerability can be exploited under certain conditions and by leveraging the authentication bypass.
Mitigation and Prevention
To address CVE-2021-45504, follow these mitigation strategies.
Immediate Steps to Take
- Update affected devices to the latest firmware versions.
- Restrict network access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all network-connected devices.
- Implement strong password policies and multi-factor authentication.
Patching and Updates
Ensure timely installation of security patches and updates released by NETGEAR.