CVE-2021-45614 : Exploit Details and Defense Strategies
Learn about CVE-2021-45614, a critical command injection vulnerability affecting multiple NETGEAR router models. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This vulnerability impacts various router models.
Understanding CVE-2021-45614
This CVE describes a critical command injection vulnerability in NETGEAR devices that can be exploited by an unauthenticated attacker.
What is CVE-2021-45614?
Command injection vulnerability in NETGEAR devices allows attackers to execute arbitrary commands without authentication.
The Impact of CVE-2021-45614
- CVSS Score: 9.6 (Critical)
- 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-2021-45614
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
- NETGEAR devices are prone to command injection by unauthenticated attackers.
Affected Systems and Versions
- Vulnerable models include D7000v2, LAX20, MK62, MR60, MS60, RAX series, RBK series, RBR series, RBS series, and XR1000 with specific firmware versions.
Exploitation Mechanism
- Attackers can exploit the vulnerability by sending crafted HTTP requests to the affected devices.
Mitigation and Prevention
Follow these steps to mitigate the vulnerability.
Immediate Steps to Take
- Update affected devices to the latest firmware versions.
- Restrict network access to vulnerable devices.
- Monitor network traffic for suspicious activities.
Long-Term Security Practices
- Regularly update firmware to patch security issues.
- Implement strong network access controls and firewall rules.
Patching and Updates
- Regularly check for firmware updates on NETGEAR's official website and apply them promptly.