CVE-2019-20685 : What You Need to Know

A vulnerability in certain NETGEAR devices allows an unauthenticated attacker to exploit a stack-based buffer overflow, affecting multiple models.

Understanding CVE-2019-20685

This CVE involves a critical vulnerability in NETGEAR devices that could be exploited by attackers.

What is CVE-2019-20685?

The vulnerability allows unauthenticated attackers to trigger a stack-based buffer overflow on specific NETGEAR models.

The Impact of CVE-2019-20685

CVSS Base Score: 8.8 (High Severity)
Attack Vector: Adjacent Network
Confidentiality, Integrity, and Availability Impact: High
Privileges Required: None
Scope: Unchanged
This vulnerability poses a significant risk to the affected devices and their users.

Technical Details of CVE-2019-20685

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in certain NETGEAR devices.

Affected Systems and Versions

Models affected include D3600, D6000, D6200, D7000, DM200, JR6150, PR2000, R6020, R6050, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, WNR2020, and XR500.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely without requiring any privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-20685 is crucial to prevent potential exploitation.

Immediate Steps to Take

Update affected devices to the recommended firmware versions.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security assessments and penetration testing.

Patching and Updates

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