CVE-2018-21099 : Exploit Details and Defense Strategies
Learn about CVE-2018-21099 affecting NETGEAR R7800 devices. Find out the impact, affected versions, and mitigation steps to prevent command injection by authenticated users.
Devices with a version of NETGEAR R7800 firmware prior to 1.0.2.60 are vulnerable to command injection when used by a user who is authenticated.
Understanding CVE-2018-21099
NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
What is CVE-2018-21099?
CVE-2018-21099 is a vulnerability in NETGEAR R7800 devices that allows an authenticated user to execute commands through command injection.
The Impact of CVE-2018-21099
- CVSS Base Score: 7.6 (High Severity)
- Attack Vector: Adjacent Network
- Availability Impact: High
- Integrity Impact: High
- Privileges Required: Low
Technical Details of CVE-2018-21099
Vulnerability Description
The vulnerability allows an authenticated user to inject and execute commands on affected NETGEAR R7800 devices.
Affected Systems and Versions
- Affected Systems: NETGEAR R7800 devices
- Vulnerable Versions: Firmware versions prior to 1.0.2.60
Exploitation Mechanism
The vulnerability can be exploited by an authenticated user to execute arbitrary commands on the device.
Mitigation and Prevention
Immediate Steps to Take
- Update the firmware to version 1.0.2.60 or later.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Implement strong authentication mechanisms.
Patching and Updates
Apply security patches and updates provided by NETGEAR to mitigate the vulnerability.