CVE-2018-21101 Explained : Impact and Mitigation
Learn about CVE-2018-21101, a command injection vulnerability impacting NETGEAR R7800 devices. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A command injection vulnerability affecting NETGEAR R7800 devices with firmware versions prior to 1.0.2.60.
Understanding CVE-2018-21101
Command injection by an authenticated user impacts NETGEAR R7800 devices that have a firmware version prior to 1.0.2.60.
What is CVE-2018-21101?
CVE-2018-21101 is a vulnerability that allows an authenticated user to execute arbitrary commands on affected NETGEAR R7800 devices.
The Impact of CVE-2018-21101
- CVSS Base Score: 8 (High Severity)
- Attack Vector: Adjacent Network
- Attack Complexity: Low
- Privileges Required: Low
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2018-21101
A detailed look at the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability allows authenticated users to perform command injection on NETGEAR R7800 devices.
Affected Systems and Versions
- Affected Systems: NETGEAR R7800 devices
- Affected Versions: Firmware versions prior to 1.0.2.60
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to execute arbitrary commands on the affected devices.
Mitigation and Prevention
Measures to mitigate the impact of CVE-2018-21101.
Immediate Steps to Take
- Update NETGEAR R7800 devices to firmware version 1.0.2.60 or later.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Implement strong authentication mechanisms.
- Regularly update firmware and security patches.
- Conduct security audits and assessments.
- Educate users on secure practices.
Patching and Updates
Ensure timely installation of security patches and firmware updates to address the vulnerability.