CVE-2017-18841 Explained : Impact and Mitigation

A number of NETGEAR devices have been found to be vulnerable to command injection. This vulnerability affects models such as R6220, R6700v2, R6800, WNDR3700v5, and D7000.

Understanding CVE-2017-18841

This CVE identifies a command injection vulnerability in certain NETGEAR devices.

What is CVE-2017-18841?

Command injection vulnerability affecting NETGEAR devices, including specific models like R6220, R6700v2, R6800, WNDR3700v5, and D7000.

The Impact of CVE-2017-18841

CVSS Score: 6.7 (Medium)
Attack Complexity: Low
Attack Vector: Local
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High
User Interaction: None

Technical Details of CVE-2017-18841

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Command injection vulnerability in NETGEAR devices

Affected Systems and Versions

Models affected: R6220, R6700v2, R6800, WNDR3700v5, D7000
Vulnerable versions: R6220 < 1.1.0.46, R6700v2 < 1.1.0.38, R6800 < 1.1.0.38, WNDR3700v5 < 1.1.0.46, D7000 < 1.0.1.50

Exploitation Mechanism

Attackers can exploit this vulnerability to inject and execute arbitrary commands on the affected devices.

Mitigation and Prevention

Protecting systems from CVE-2017-18841 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by NETGEAR
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Regularly monitor for security advisories and updates from NETGEAR
Conduct security assessments and penetration testing to identify and address vulnerabilities

Patching and Updates

Apply patches and firmware updates promptly to mitigate the risk of command injection vulnerabilities.