CVE-2021-45589 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-45589 affecting certain NETGEAR devices, the high severity of the vulnerability, affected models, exploitation risks, and mitigation steps to secure your devices.
Certain NETGEAR devices are affected by command injection by an authenticated user. This impacts various models before version 3.2.16.6.
Understanding CVE-2021-45589
What is CVE-2021-45589?
Certain NETGEAR devices are vulnerable to command injection by an authenticated user, affecting specific models before version 3.2.16.6.
The Impact of CVE-2021-45589
The vulnerability has a CVSS base score of 8.4 (High severity) with high impacts on confidentiality, integrity, and availability. It requires high privileges for exploitation and can result in significant harm.
Technical Details of CVE-2021-45589
Vulnerability Description
- Command injection vulnerability in certain NETGEAR devices
Affected Systems and Versions
- RBK752, RBR750, RBS750, RBK852, RBR850, RBS850 before 3.2.16.6
Exploitation Mechanism
- Authenticated user can inject commands leading to unauthorized access and potential harm
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to version 3.2.16.6 or above
- Implement strong access controls and monitor device activity
Long-Term Security Practices
- Regular security assessments and audits of network devices
- Train users on secure practices and response to potential security incidents
- Employ network segmentation and least privilege access
Patching and Updates
- NETGEAR has released patches to address this vulnerability