CVE-2021-45613 : Security Advisory and Response
Learn about CVE-2021-45613, a critical command injection vulnerability affecting various NETGEAR devices. Understand the impact, affected systems, mitigation steps, and necessary updates.
Certain NETGEAR devices are affected by command injection, allowing an unauthenticated attacker to exploit various models.
Understanding CVE-2021-45613
What is CVE-2021-45613?
- Command injection vulnerability impacting multiple NETGEAR devices.
- Affected models include CBR40, CBR750, D7000v2, LAX20, and more (listed in the description).
The Impact of CVE-2021-45613
- CVSS Score: 9.6 (Critical)
- Attack Vector: Adjacent Network
- Impact: High - Confidentiality, Integrity, and Availability
- Scope: Changed
Technical Details of CVE-2021-45613
Vulnerability Description
- Unauthenticated attackers can perform command injection on vulnerable NETGEAR devices.
Affected Systems and Versions
- Multiple models such as CBR40, CBR750, RAX200, RBK852, and more are vulnerable.
Exploitation Mechanism
- Attack complexity is low, and no privileges are required, making exploitation easier.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the recommended firmware versions.
- Monitor network traffic for any suspicious activity targeting these vulnerabilities.
Long-Term Security Practices
- Implement strong network segmentation to limit attack surface.
- Regularly review and update device firmware and security configurations.
Patching and Updates
- Apply security patches provided by NETGEAR promptly to mitigate the command injection vulnerability.