CVE-2021-45596 Explained : Impact and Mitigation
Learn about CVE-2021-45596 affecting NETGEAR devices. Understand the impact, technical details, and mitigation steps for this high-severity vulnerability.
Certain NETGEAR devices are affected by command injection, exposing them to high-risk vulnerabilities.
Understanding CVE-2021-45596
What is CVE-2021-45596?
NETGEAR devices, including CBR750, RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850, are vulnerable to command injection by authenticated users.
The Impact of CVE-2021-45596
The vulnerability has a High severity level with a CVSS base score of 8.4, affecting confidentiality, integrity, and availability of the compromised systems.
Technical Details of CVE-2021-45596
Vulnerability Description
- Command injection vulnerability in certain NETGEAR devices
Affected Systems and Versions
- CBR750 before 4.6.3.6
- RBK752, RBR750, RBS750 before 3.2.17.12
- RBK852, RBR850, RBS850 before 3.2.17.12
Exploitation Mechanism
- Low attack complexity
- Adjacent network attack vector
- High impact on availability, confidentiality, and integrity
- High privileges required
- Scope of the attack is changed
- No user interaction required
Mitigation and Prevention
Immediate Steps to Take
- Apply patches from NETGEAR for the affected devices
- Implement strong authentication mechanisms
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update devices with the latest firmware and security patches
- Conduct security audits and penetration testing
- Educate users about safe usage practices
Patching and Updates
- Check NETGEAR's security advisory for specific patch details