CVE-2021-45546 Explained : Impact and Mitigation
Discover the impact and mitigation steps for CVE-2021-45546 affecting NETGEAR routers. Learn about affected versions and how to protect your network.
Certain NETGEAR devices are affected by command injection vulnerability, impacting various router models.
Understanding CVE-2021-45546
What is CVE-2021-45546?
NETGEAR devices are prone to command injection by an authenticated user, affecting multiple router models.
The Impact of CVE-2021-45546
The vulnerability has a high severity score with significant impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-45546
Vulnerability Description
- Command injection vulnerability in certain NETGEAR devices
Affected Systems and Versions
- R7850 before 1.0.5.74
- R7900P, R7960P, R8000, R8000P before specific versions
- Various other models before specific versions
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: High
- Scope: Changed
Mitigation and Prevention
Immediate Steps to Take
- Apply official patches and updates provided by NETGEAR
- Implement strong, unique passwords for device authentication
- Restrict network access to authorized users only
Long-Term Security Practices
- Regularly monitor for security advisories and updates from NETGEAR
- Conduct security audits and penetration testing on network devices
- Educate users on best security practices to prevent unauthorized access
Patching and Updates
- Keep all NETGEAR devices up to date with the latest firmware releases