CVE-2021-45618 : Security Advisory and Response
Learn about CVE-2021-45618 impacting certain NETGEAR devices with critical severity. Understand the vulnerability, affected versions, exploitation, and mitigation steps.
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This impacts various models including D7800, EX6200v2, RAX120, and more.
Understanding CVE-2021-45618
What is CVE-2021-45618?
CVE-2021-45618 is a vulnerability found in certain NETGEAR devices that allows an unauthenticated attacker to perform command injection. This vulnerability affects a range of specific device models.
The Impact of CVE-2021-45618
This vulnerability has a CVSS base score of 9.6, indicating a critical severity level. The impact includes high availability, confidentiality, and integrity impacts, with low attack complexity and no privileges required.
Technical Details of CVE-2021-45618
Vulnerability Description
The vulnerability allows an unauthenticated attacker to execute arbitrary commands on affected NETGEAR devices.
Affected Systems and Versions
- D7800 before 1.0.1.64
- EX6200v2 before 1.0.1.86
- RAX120 before 1.2.0.16
- And more (refer to the CVE for the full list)
Exploitation Mechanism
The attack can be carried out by sending crafted network packets to the device, exploiting the command injection vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Update the firmware of affected devices to the latest patched versions.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Implement strong and unique passwords for device access.
- Regularly audit and update device firmware to address security vulnerabilities.
Patching and Updates
- NETGEAR has released patches for the affected devices to address the command injection vulnerability.