CVE-2018-21098 : Security Advisory and Response

Devices from the brand NETGEAR with model R7800 and software version below 1.0.2.60 are vulnerable to command injection by authenticated users.

Understanding CVE-2018-21098

NETGEAR R7800 devices with software versions prior to 1.0.2.60 are at risk of command injection by authenticated users.

What is CVE-2018-21098?

CVE-2018-21098 is a vulnerability that allows authenticated users to execute commands on NETGEAR R7800 devices with software versions below 1.0.2.60.

The Impact of CVE-2018-21098

The vulnerability has a CVSS base score of 6.8, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability of the affected devices.

Technical Details of CVE-2018-21098

NETGEAR R7800 devices with software versions below 1.0.2.60 are susceptible to command injection by authenticated users.

Vulnerability Description

Authenticated users can exploit the vulnerability to execute arbitrary commands on the affected devices.

Affected Systems and Versions

Brand: NETGEAR
Model: R7800
Software Version: Below 1.0.2.60

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
Privileges Required: High
User Interaction: None

Mitigation and Prevention

Immediate Steps to Take:

Update the NETGEAR R7800 devices to software version 1.0.2.60 or higher.
Monitor network traffic for any suspicious activities. Long-Term Security Practices:
Regularly update firmware and software on all network devices.
Implement strong authentication mechanisms and access controls.
Conduct security audits and penetration testing periodically.
Educate users about safe computing practices.
Stay informed about security advisories and patches.
Consider network segmentation to limit the impact of potential breaches.
Backup critical data regularly.

Patching and Updates

Ensure timely installation of security patches and updates provided by NETGEAR to address CVE-2018-21098.