CVE-2018-21103 : Security Advisory and Response

Command injection by an authenticated user affects NETGEAR R7800 devices prior to version 1.0.2.60.

Understanding CVE-2018-21103

Command injection vulnerability impacting NETGEAR R7800 devices.

What is CVE-2018-21103?

CVE-2018-21103 is a vulnerability that allows an authenticated user to execute arbitrary commands on NETGEAR R7800 devices before version 1.0.2.60.

The Impact of CVE-2018-21103

CVSS Base Score: 6.8 (Medium)
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: High
Scope: Unchanged
This vulnerability poses a significant risk to the confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2018-21103

Details regarding the vulnerability and its implications.

Vulnerability Description

Command injection vulnerability allows authenticated users to execute commands on vulnerable devices.

Affected Systems and Versions

Affected Systems: NETGEAR R7800 devices
Vulnerable Versions: Before 1.0.2.60

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to run arbitrary commands on the affected devices.

Mitigation and Prevention

Measures to mitigate the impact of CVE-2018-21103.

Immediate Steps to Take

Update affected devices to version 1.0.2.60 or later to patch the vulnerability.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly update and patch devices to protect against known vulnerabilities.

Patching and Updates

Regularly check for security updates from NETGEAR and apply them promptly to ensure system security.