CVE-2021-45621 Explained : Impact and Mitigation
Learn about CVE-2021-45621, a critical command injection vulnerability affecting certain NETGEAR devices before specific versions. Understand the impact, technical details, and mitigation steps.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This CVE impacts a range of NETGEAR products before specific versions. The CVSS base score for this vulnerability is 9.6.
Understanding CVE-2021-45621
Command injection vulnerability impacting multiple NETGEAR devices.
What is CVE-2021-45621?
- Command injection vulnerability in certain NETGEAR devices
- Attackers can execute malicious commands without authentication
The Impact of CVE-2021-45621
- CVSS Base Score: 9.6 (Critical)
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Technical Details of CVE-2021-45621
Command injection vulnerability details.
Vulnerability Description
- Unauthenticated attackers can inject and execute commands
Affected Systems and Versions
- Multiple NETGEAR devices are impacted before specific versions
Exploitation Mechanism
- Attackers exploit the vulnerability by injecting malicious commands
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2021-45621.
Immediate Steps to Take
- Update affected devices to versions that contain security patches
- Monitor network for suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Implement access controls and firewalls
Patching and Updates
- Apply patches provided by NETGEAR to fix the command injection vulnerability