CVE-2021-45582 : Vulnerability Insights and Analysis
Learn about CVE-2021-45582, a high-severity command injection vulnerability in NETGEAR devices, impacting RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 before 3.2.16.6. Follow mitigation steps for protection.
Certain NETGEAR devices are affected by command injection vulnerability, allowing authenticated users to execute commands. This impacts RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 before version 3.2.16.6.
Understanding CVE-2021-45582
This CVE involves a command injection vulnerability in specific NETGEAR devices, potentially leading to unauthorized command execution by authenticated users.
What is CVE-2021-45582?
The vulnerability allows authenticated users to inject commands, posing a risk of unauthorized operations on affected NETGEAR devices.
The Impact of CVE-2021-45582
The vulnerability has a high severity rating with significant impacts:
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: High
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45582
This section provides more detailed technical insights into the CVE.
Vulnerability Description
The vulnerability allows authenticated users to inject commands on affected NETGEAR devices, enabling unauthorized control.
Affected Systems and Versions
The vulnerability affects the following NETGEAR devices before version 3.2.16.6:
- RBK752
- RBR750
- RBS750
- RBK852
- RBR850
- RBS850
Exploitation Mechanism
Through the exploitation of the command injection vulnerability, authenticated users can execute unauthorized commands on the affected devices.
Mitigation and Prevention
To address CVE-2021-45582, follow the mitigation strategies outlined below.
Immediate Steps to Take
- Update the affected NETGEAR devices to version 3.2.16.6 or later.
- Monitor device logs for suspicious activities.
- Limit access to authorized users only.
Long-Term Security Practices
- Regularly update firmware to patch known vulnerabilities.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure timely application of security patches and firmware updates to mitigate the risks associated with CVE-2021-45582.