CVE-2021-45591 Explained : Impact and Mitigation
Learn about CVE-2021-45591 affecting certain Netgear devices with details on impact, affected versions, and mitigation steps to prevent command injection by authenticated users.
Netgear devices are vulnerable to command injection by authenticated users.
Understanding CVE-2021-45591
What is CVE-2021-45591?
- Certain Netgear devices are prone to command injection by authenticated users.
- Affected models include RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.
The Impact of CVE-2021-45591
- CVSS Score: 8.4 (High Severity)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2021-45591
Vulnerability Description
- Authenticated users can perform command injection on affected Netgear devices.
Affected Systems and Versions
- RBK752 before 3.2.16.6
- RBR750 before 3.2.16.6
- RBS750 before 3.2.16.6
- RBK852 before 3.2.16.6
- RBR850 before 3.2.16.6
- RBS850 before 3.2.16.6
Exploitation Mechanism
- Attack Complexity: Low
- Privileges Required: High
- Scope: Changed
Mitigation and Prevention
Immediate Steps to Take
- Update affected Netgear devices to version 3.2.16.6.
- Regularly monitor for security advisories from Netgear.
Long-Term Security Practices
- Enforce strong password policies.
- Implement network segmentation to limit the attack surface.
Patching and Updates
- Apply security patches promptly to mitigate command injection vulnerabilities.