CVE-2017-18847 : Vulnerability Insights and Analysis

A vulnerability in certain NETGEAR devices allows attackers to access and view files, impacting various router models.

Understanding CVE-2017-18847

This CVE identifies a security flaw in specific NETGEAR routers that enables unauthorized file access.

What is CVE-2017-18847?

The vulnerability in NETGEAR devices permits attackers to read arbitrary files on affected routers, compromising confidentiality.

The Impact of CVE-2017-18847

The vulnerability poses a medium-severity risk with high confidentiality impact, potentially leading to unauthorized access to sensitive information stored on the devices.

Technical Details of CVE-2017-18847

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw allows attackers to view files on NETGEAR routers, affecting models such as R6400v2, R7000P/R6900P, R7900, R8300, R8500, and D8500.

Affected Systems and Versions

R6400v2 (version prior to 1.0.2.32)
R7000P/R6900P (version prior to 1.0.0.56)
R7900 (version prior to 1.0.1.18)
R8300 (version prior to 1.0.2.100_1.0.82)
R8500 (version prior to 1.0.2.100_1.0.82)
D8500 (version prior to 1.0.3.29)

Exploitation Mechanism

The vulnerability can be exploited locally, requiring no special privileges, and does not impact system availability.

Mitigation and Prevention

Protecting against CVE-2017-18847 is crucial for maintaining network security.

Immediate Steps to Take

Update affected devices to the latest firmware versions.
Implement strong network access controls.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Conduct security audits to identify and address potential weaknesses.

Patching and Updates

NETGEAR has released patches for the affected router models to address the vulnerability.