CVE-2021-45601 Explained : Impact and Mitigation
Discover how CVE-2021-45601 impacts NETGEAR devices with command injection vulnerabilities. Learn about affected models and versions, exploitation risks, and mitigation steps.
Certain NETGEAR devices are affected by command injection vulnerabilities, potentially allowing authenticated users to execute malicious commands. This CVE affects specific NETGEAR models before certain firmware versions.
Understanding CVE-2021-45601
NETGEAR devices are vulnerable to command injection attacks, impacting various models due to inadequate input validation.
What is CVE-2021-45601?
Command injection vulnerability in certain NETGEAR devices enables authenticated users to execute arbitrary commands, posing a high risk to the confidentiality, integrity, and availability of the affected systems.
The Impact of CVE-2021-45601
The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability. It requires high privileges for exploitation and can lead to unauthorized command execution.
Technical Details of CVE-2021-45601
NETGEAR devices affected by command injection vulnerabilities due to insufficient security measures.
Vulnerability Description
- Command injection vulnerability in NETGEAR devices
- Allows authenticated users to execute malicious commands
Affected Systems and Versions
- CBR40 before 2.5.0.24
- CBR750 before 4.6.3.6
- RBK852, RBR850, and RBS850 before 3.2.17.12
Exploitation Mechanism
- Attack complexity: Low
- Attack vector: Adjacent network
- Privileges required: High
- The attacker needs no user interaction
- Impact on confidentiality, integrity, and availability: High
- Scope: Changed
Mitigation and Prevention
Taking immediate and long-term security measures is crucial to mitigate the risks associated with CVE-2021-45601.
Immediate Steps to Take
- Update affected NETGEAR devices to the latest firmware versions
- Implement network segmentation to limit attack surface
Long-Term Security Practices
- Regularly monitor and audit device logs for suspicious activities
- Educate users on safe computing practices and permissions
Patching and Updates
- Apply security patches provided by NETGEAR to address the command injection vulnerability