CVE-2019-20656 Explained : Impact and Mitigation

A hardcoded password vulnerability has been identified in certain NETGEAR devices, impacting various models.

Understanding CVE-2019-20656

This CVE involves a hardcoded password issue affecting specific NETGEAR router models.

What is CVE-2019-20656?

The vulnerability involves the presence of a hardcoded password in several NETGEAR devices, potentially exposing them to security risks.

The Impact of CVE-2019-20656

CVSS Score: 6.4 (Medium Severity)
Attack Complexity: High
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: Low
User Interaction: None
Scope: Unchanged
This vulnerability does not directly impact availability.

Technical Details of CVE-2019-20656

This section provides detailed technical insights into the CVE.

Vulnerability Description

A hardcoded password exists in certain NETGEAR devices.

Affected Systems and Versions

Models affected include D6200, D7000, PR2000, R6020, R6080, R6050, JR6150, R6120, R6220, R6230, R6260, R6700v2, R6800, R6900v2, and WNR2020.

Exploitation Mechanism

The vulnerability can be exploited by attackers with low privileges in the adjacent network.

Mitigation and Prevention

Protect your systems from CVE-2019-20656 with these strategies:

Immediate Steps to Take

Change default passwords on affected devices.
Update devices to patched versions.
Monitor network for suspicious activities.

Long-Term Security Practices

Regularly update firmware and software.
Implement strong password policies.
Conduct security audits and assessments.

Patching and Updates

Apply security patches provided by NETGEAR.