CVE-2021-45575 : What You Need to Know
Learn about CVE-2021-45575 affecting certain NETGEAR devices, allowing authenticated users to perform command injection. High impact on confidentiality, integrity, and availability. Find mitigation steps and updates.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 before 3.2.16.6.
Understanding CVE-2021-45575
What is CVE-2021-45575?
CVE-2021-45575 is a vulnerability that allows an authenticated user to perform command injection on certain NETGEAR devices.
The Impact of CVE-2021-45575
This vulnerability has a high impact on confidentiality, integrity, and availability, with a CVSS base score of 8.4.
Technical Details of CVE-2021-45575
Vulnerability Description
The vulnerability allows an authenticated user to inject commands into the 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
The attacker needs high privileges and adjacent network access to exploit this vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Update the affected devices to version 3.2.16.6 or later.
- Monitor and restrict user privileges to minimize the risk of exploitation.
Long-Term Security Practices
- Regularly update firmware to patch vulnerabilities.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
Ensure all NETGEAR devices are running on the latest firmware to mitigate the vulnerability.