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CVE-2017-6862 : Vulnerability Insights and Analysis

Learn about CVE-2017-6862 affecting NETGEAR WNR2000v3, WNR2000v4, and WNR2000v5 devices, allowing authentication bypass and remote code execution. Find mitigation steps and preventive measures.

Devices such as NETGEAR WNR2000v3, WNR2000v4, and WNR2000v5 have a vulnerability enabling authentication bypass and remote code execution.

Understanding CVE-2017-6862

What is CVE-2017-6862?

NETGEAR WNR2000v3, WNR2000v4, and WNR2000v5 devices are susceptible to an authentication bypass and remote code execution due to a buffer overflow in the administration web application.

The Impact of CVE-2017-6862

This vulnerability allows attackers to execute code remotely without authentication, potentially leading to unauthorized access and control over the affected devices.

Technical Details of CVE-2017-6862

Vulnerability Description

The vulnerability in NETGEAR WNR2000v3, WNR2000v4, and WNR2000v5 devices arises from a buffer overflow in a parameter within the administration web application, enabling unauthenticated remote code execution.

Affected Systems and Versions

        NETGEAR All versions prior to WNR2000v3 1.1.2.14
        WNR2000v4 1.0.0.66
        WNR2000v5 1.0.0.42

Exploitation Mechanism

The vulnerability is exploited through a buffer overflow in a specific parameter of the administration web application, allowing attackers to bypass authentication and execute code remotely.

Mitigation and Prevention

Immediate Steps to Take

        Update affected devices to the latest firmware versions provided by NETGEAR.
        Implement strong, unique passwords for device access.
        Restrict network access to the devices.

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 promptly to address known vulnerabilities and enhance device security.

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