CVE-2017-18834 : Exploit Details and Defense Strategies

A reflected XSS vulnerability has been identified in various NETGEAR devices, impacting specific models.

Understanding CVE-2017-18834

This CVE involves a reflected XSS vulnerability affecting multiple NETGEAR devices.

What is CVE-2017-18834?

CVE-2017-18834 is a reflected XSS vulnerability found in NETGEAR devices, including models like M4300-28G, M4300-52G, M4300-28G-POE+, and others.

The Impact of CVE-2017-18834

The vulnerability has a CVSS base score of 6.1, with low impact on confidentiality, integrity, and availability. It requires user interaction and has a medium severity level.

Technical Details of CVE-2017-18834

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows for reflected XSS attacks on affected NETGEAR devices.

Affected Systems and Versions

The following NETGEAR models are impacted:

M4300-28G (before version 12.0.2.15)
M4300-52G (before version 12.0.2.15)
M4300-28G-POE+ (before version 12.0.2.15)
M4300-52G-POE+ (before version 12.0.2.15)
M4300-8X8F (before version 12.0.2.15)
M4300-12X12F (before version 12.0.2.15)
M4300-24X24F (before version 12.0.2.15)
M4300-24X (before version 12.0.2.15)
M4300-48X (before version 12.0.2.15)
M4200 (before version 12.0.2.15)

Exploitation Mechanism

The vulnerability can be exploited through a local attack vector, with low attack complexity and privileges required.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Update affected devices to version 12.0.2.15 or later.
Implement network security measures to mitigate XSS risks.

Long-Term Security Practices

Regularly monitor for security advisories from NETGEAR.
Conduct security assessments to identify and address vulnerabilities.

Patching and Updates

Apply patches and firmware updates provided by NETGEAR to address the vulnerability.