CVE-2021-45502 : Vulnerability Insights and Analysis
Learn about CVE-2021-45502, a critical authentication bypass vulnerability affecting certain NETGEAR devices before specific firmware versions. Find out the impacted systems and how to mitigate this security threat.
Certain NETGEAR devices are affected by authentication bypass vulnerability, impacting various models before specific firmware versions.
Understanding CVE-2021-45502
What is CVE-2021-45502?
CVE-2021-45502 is an authentication bypass vulnerability affecting certain NETGEAR devices.
The Impact of CVE-2021-45502
This critical vulnerability has a CVSS base score of 9.6, with high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-45502
Vulnerability Description
The vulnerability allows unauthorized users to bypass authentication on affected devices.
Affected Systems and Versions
The following NETGEAR models are impacted:
- 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
Attackers can exploit this vulnerability from an adjacent network without requiring any privileges or user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Update the firmware to the latest version provided by NETGEAR.
- Monitor network logs for any unauthorized access attempts.
- Restrict network access to the affected devices.
Long-Term Security Practices
- Regularly check for security advisories from vendors.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
Apply patches and firmware updates promptly to address known vulnerabilities.