CVE-2017-18865 : What You Need to Know

Authenticated users can exploit a stack-based buffer overflow vulnerability in specific NETGEAR devices, impacting R8300 versions prior to 1.0.2.104 and R8500 versions prior to 1.0.2.104.

Understanding CVE-2017-18865

Certain NETGEAR devices are affected by a stack-based buffer overflow vulnerability that can be exploited by authenticated users.

What is CVE-2017-18865?

CVE-2017-18865 is a vulnerability that allows authenticated users to trigger a stack-based buffer overflow in specific NETGEAR devices, affecting R8300 versions before 1.0.2.104 and R8500 versions before 1.0.2.104.

The Impact of CVE-2017-18865

The vulnerability has the following impact based on CVSS v3.0 metrics:

Base Score: 6.8 (Medium)
Attack Vector: Adjacent Network
Attack Complexity: Low
Privileges Required: High
User Interaction: None
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2017-18865

Vulnerability Description

The vulnerability is a stack-based buffer overflow that can be exploited by authenticated users on NETGEAR devices.

Affected Systems and Versions

Specifically, the following versions are impacted:

R8300 versions prior to 1.0.2.104
R8500 versions prior to 1.0.2.104

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to trigger the stack-based buffer overflow on the affected NETGEAR devices.

Mitigation and Prevention

Immediate Steps to Take

Update the affected devices to versions 1.0.2.104 or later.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Ensure that all NETGEAR devices are running the latest firmware versions to mitigate the CVE-2017-18865 vulnerability.