CVE-2018-21164 : Exploit Details and Defense Strategies
Learn about CVE-2018-21164 affecting certain NETGEAR devices, allowing command injection by authenticated users. Find mitigation steps and affected versions here.
Some NETGEAR devices are vulnerable to command injection when used by a user with proper authentication. This vulnerability is present in R6220 devices prior to version 1.1.0.64 and WNDR3700v5 devices prior to version 1.1.0.54.
Understanding CVE-2018-21164
Certain NETGEAR devices are affected by command injection by an authenticated user.
What is CVE-2018-21164?
CVE-2018-21164 is a vulnerability that allows command injection on certain NETGEAR devices when used by authenticated users. The affected devices include R6220 devices before version 1.1.0.64 and WNDR3700v5 devices before version 1.1.0.54.
The Impact of CVE-2018-21164
- CVSS Score: 6.8 (Medium)
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Privileges Required: High
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- User Interaction: None
- Scope: Unchanged
Technical Details of CVE-2018-21164
Vulnerability Description
The vulnerability allows authenticated users to execute arbitrary commands on affected NETGEAR devices.
Affected Systems and Versions
- R6220 devices before version 1.1.0.64
- WNDR3700v5 devices before version 1.1.0.54
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to inject and execute malicious commands on the affected devices.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to version 1.1.0.64 for R6220 and version 1.1.0.54 for WNDR3700v5.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement strong authentication mechanisms to prevent unauthorized access.
Patching and Updates
Apply security patches provided by NETGEAR to address the command injection vulnerability.