CVE-2017-18851 Explained : Impact and Mitigation
Learn about CVE-2017-18851, a command injection vulnerability in certain NETGEAR devices impacting models like D8500, R6400, and R8300. Find out the impact, affected systems, and mitigation steps.
An issue has been discovered in certain NETGEAR devices where an authenticated user can execute command injection. This vulnerability impacts models such as D8500, R6400, R6400v2, R8300, R8500, and R6100.
Understanding CVE-2017-18851
This CVE involves command injection vulnerability in specific NETGEAR devices.
What is CVE-2017-18851?
CVE-2017-18851 is a vulnerability that allows an authenticated user to execute commands on affected NETGEAR devices, potentially leading to unauthorized access and control.
The Impact of CVE-2017-18851
The vulnerability has a CVSS base score of 6.7, with high impacts on confidentiality, integrity, and availability. It requires high privileges and has a low attack complexity and vector.
Technical Details of CVE-2017-18851
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows authenticated users to perform command injection on NETGEAR devices, including D8500, R6400, R6400v2, R8300, R8500, and R6100.
Affected Systems and Versions
- D8500 up to version 1.0.3.28
- R6400 up to version 1.0.1.22
- R6400v2 up to version 1.0.2.18
- R8300 up to version 1.0.2.94
- R8500 up to version 1.0.2.94
- R6100 up to version 1.0.1.12
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to inject and execute arbitrary commands on the affected NETGEAR devices.
Mitigation and Prevention
Protecting systems from CVE-2017-18851 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the firmware of the affected devices to the latest versions provided by NETGEAR.
- Monitor network traffic for any suspicious activities.
- Restrict access to vulnerable devices to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch all network devices to prevent known vulnerabilities.
- Implement strong authentication mechanisms and access controls.
- Conduct regular security audits and assessments to identify and mitigate potential risks.
Patching and Updates
NETGEAR has released patches for the affected devices. Ensure timely installation of these patches to mitigate the vulnerability.