CVE-2021-45581 Explained : Impact and Mitigation
Learn about CVE-2021-45581 affecting certain NETGEAR devices with command injection vulnerability. Understand the impact, affected systems, exploitation, and mitigation steps.
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-2021-45581
Certain NETGEAR devices are susceptible to command injection by authenticated users, leading to a high severity vulnerability.
What is CVE-2021-45581?
Command injection vulnerability impacting specific NETGEAR devices, allowing authenticated users to execute arbitrary commands.
The Impact of CVE-2021-45581
This vulnerability has a high impact on confidentiality, integrity, and availability of the affected devices.
Technical Details of CVE-2021-45581
NETGEAR devices are prone to command injection, exposing them to various risks.
Vulnerability Description
The vulnerability allows authenticated users to inject and execute commands on 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
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: High
- User Interaction: None
- Scope: Changed
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2021-45581.
Immediate Steps to Take
- Update to the patched versions (RBK752 3.2.16.6, RBR750 3.2.16.6, RBS750 3.2.16.6, RBK852 3.2.16.6, RBR850 3.2.16.6, RBS850 3.2.16.6)
- Monitor network for unauthorized access
Long-Term Security Practices
- Implement strong authentication mechanisms
- Regular security audits and assessments
Patching and Updates
- Apply security patches promptly
- Stay informed about security advisories and updates