CVE-2021-45552 : Vulnerability Insights and Analysis
CVE-2021-45552 involves command injection in certain NETGEAR devices, impacting confidentiality and integrity. Learn about affected models and mitigation steps.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects various models including D7800, R7500v2, R7800, R8900, R9000, RAX120, and XR700.
Understanding CVE-2021-45552
This CVE involves command injection vulnerability in certain NETGEAR devices.
What is CVE-2021-45552?
CVE-2021-45552 is a command injection vulnerability that allows an authenticated user to execute arbitrary commands on affected NETGEAR devices.
The Impact of CVE-2021-45552
The impact of this vulnerability is rated as MEDIUM. It has HIGH confidentiality and integrity impacts, requiring HIGH privileges to exploit, with LOW attack complexity and availability impact. The attack vector is LOCAL with no user interaction required.
Technical Details of CVE-2021-45552
This section will delve into the technical specifics of the vulnerability.
Vulnerability Description
The vulnerability allows authenticated users to inject commands on affected devices, compromising confidentiality and integrity.
Affected Systems and Versions
The following NETGEAR models are affected:
- D7800 before 1.0.1.58
- R7500v2 before 1.0.3.48
- R7800 before 1.0.2.68
- R8900 before 1.0.5.2
- R9000 before 1.0.5.2
- RAX120 before 1.0.1.108
- XR700 before 1.0.1.20
Exploitation Mechanism
To exploit this vulnerability, an authenticated user with high privileges can inject malicious commands locally on the affected devices.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Update to the latest firmware versions provided by NETGEAR.
- Restrict network access to known and trusted devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches for all devices.
- Implement strong authentication mechanisms and access controls.
Patching and Updates
NETGEAR has released patches to address this vulnerability. It is recommended to promptly apply these patches to secure the devices.