CVE-2017-18794 : Exploit Details and Defense Strategies

A number of NETGEAR devices are impacted by command injection. The affected models include R6300v2, R6400, R6700, R7000, R7100LG, R7900, R8000, R8500, and D6100.

Understanding CVE-2017-18794

Certain NETGEAR devices are affected by a command injection vulnerability.

What is CVE-2017-18794?

This CVE identifies a command injection vulnerability affecting various NETGEAR router models.

The Impact of CVE-2017-18794

The vulnerability has a CVSS base score of 8.4 (High severity) with high impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2017-18794

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Command injection vulnerability in NETGEAR devices

Affected Systems and Versions

R6300v2 (version before 1.0.4.8_10.0.77)
R6400 (version before 1.0.1.24)
R6700 (version before 1.0.1.26)
R7000 (version before 1.0.9.10)
R7100LG (version before 1.0.0.32)
R7900 (version before 1.0.1.18)
R8000 (version before 1.0.3.54)
R8500 (version before 1.0.2.100)
D6100 (version before 1.0.0.50_0.0.50)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: None
Scope: Unchanged
User Interaction: None
Vector String: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N

Mitigation and Prevention

Steps to address the CVE-2017-18794 vulnerability:

Immediate Steps to Take

Update affected NETGEAR devices to the recommended firmware versions
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 on network devices

Patching and Updates

Apply patches and firmware updates provided by NETGEAR to mitigate the vulnerability