CVE-2021-45588 : Security Advisory and Response
Discover details about CVE-2021-45588 affecting NETGEAR devices, including the impacted models, severity, and necessary actions to mitigate the command injection vulnerability.
Certain NETGEAR devices are affected by command injection by an authenticated user. This impacts various device models such as RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.
Understanding CVE-2021-45588
This CVE involves command injection vulnerability in certain NETGEAR devices when used by authenticated users.
What is CVE-2021-45588?
Command injection vulnerability in NETGEAR devices allows an authenticated user to execute arbitrary commands. The affected models include RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.
The Impact of CVE-2021-45588
- CVSS Base Score: 8.4 (High Severity)
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Privileges Required: High
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45588
This section details the technical aspects of the CVE.
Vulnerability Description
The vulnerability allows an authenticated user to perform command injection on affected NETGEAR devices, enabling unauthorized command execution.
Affected Systems and Versions
The following NETGEAR devices versions are impacted:
- 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
The vulnerability can be exploited by authenticated users to inject and execute malicious commands on the affected devices.
Mitigation and Prevention
Actions to secure systems against CVE-2021-45588.
Immediate Steps to Take
- Update the devices to version 3.2.16.6 or later.
- Monitor network traffic for any suspicious activities.
- Restrict user access to reduce the impact of potential attacks.
Long-Term Security Practices
- Implement strong authentication mechanisms.
- Regularly audit and monitor device logs for anomalies.
- Keep devices and firmware updated to patch known vulnerabilities.
- Conduct security training for users to raise awareness.
Patching and Updates
- Apply security patches from NETGEAR promptly to address the command injection vulnerability.