CVE-2018-21105 : What You Need to Know
Learn about CVE-2018-21105, a command injection vulnerability in NETGEAR R7802022s R7800 devices with firmware versions older than 1.0.2.60. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A command injection vulnerability has been identified in NETGEAR R7800 devices with firmware versions older than 1.0.2.60, allowing exploitation by authenticated users.
Understanding CVE-2018-21105
This CVE involves a command injection vulnerability in NETGEAR R7800 devices, impacting devices with outdated firmware versions.
What is CVE-2018-21105s?
This vulnerability allows authenticated users to execute arbitrary commands on affected devices, potentially leading to unauthorized access and control.
The Impact of CVE-2018-21105
The vulnerability has a CVSS v3.0 base score of 6.8, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2018-21105
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability allows authenticated users to inject and execute commands on NETGEAR R7800 devices with firmware versions older than 1.0.2.60.
Affected Systems and Versions
- Product: NETGEAR R7800
- Versions Affected: Firmware versions older than 1.0.2.60
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Exploitation can lead to high impacts on confidentiality, integrity, and availability.
Mitigation and Prevention
To address CVE-2018-21105, follow these mitigation strategies:
Immediate Steps to Take
- Update affected devices to firmware version 1.0.2.60 or newer.
- Restrict network access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software on all network devices.
- Implement strong authentication mechanisms to prevent unauthorized access.
-' Enable and monitor logging and auditing features to detect and respond to potential security incidents.
Patching and Updates
- Stay informed about security advisories from NETGEAR and apply patches promptly to address known vulnerabilities.