CVE-2021-45560 : What You Need to Know
Learn about CVE-2021-45560, a high-severity command injection vulnerability impacting certain NETGEAR devices. Take immediate steps to update affected systems for security.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects 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, and RBS850 before 3.2.16.6.
Understanding CVE-2021-45560
This CVE pertains to command injection vulnerability affecting specified NETGEAR devices.
What is CVE-2021-45560?
CVE-2021-45560 is a command injection vulnerability that allows an authenticated user to execute arbitrary commands on certain NETGEAR devices.
The Impact of CVE-2021-45560
The vulnerability has been rated with a CVSSv3.1 base score of 8.4, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-45560
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability enables authenticated users to inject and execute arbitrary commands, which can lead to unauthorized access and potential compromise of the affected 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
The vulnerability can be exploited by authenticated users to execute malicious commands on the affected devices, compromising their security and integrity.
Mitigation and Prevention
It is crucial to take immediate actions to secure the affected systems and prevent potential exploitation of the vulnerability.
Immediate Steps to Take
- Update the affected NETGEAR devices to version 3.2.16.6 or later to mitigate the vulnerability.
- Monitor for any suspicious activity on the network.
Long-Term Security Practices
- Implement strong access controls and user authentication mechanisms.
- Regularly update and patch the devices to address security vulnerabilities.
- Conduct security assessments and audits periodically to identify and address potential risks.
Patching and Updates
Apply patches and firmware updates provided by NETGEAR to ensure that the vulnerability is effectively addressed.