CVE-2019-20676 Explained : Impact and Mitigation

A number of NETGEAR devices are impacted by a lack of access control at the functional level.

Understanding CVE-2019-20676

What is CVE-2019-20676?

Certain NETGEAR devices are affected by a lack of access control at the functional level, impacting various models.

The Impact of CVE-2019-20676

This vulnerability has a CVSS base score of 6, with high confidentiality and integrity impacts.

Technical Details of CVE-2019-20676

Vulnerability Description

The affected NETGEAR devices suffer from a lack of access control at the functional level.

Affected Systems and Versions

FS728TLP (versions before 1.0.1.26)
GS105Ev2 (versions before 1.6.0.4)
GS105PE (versions before 1.6.0.4)
GS108Ev3 (versions before 2.06.08)
GS108PEv3 (versions before 2.06.08)
GS110EMX (versions before 1.0.1.4)
GS116Ev2 (versions before 2.6.0.35)
GS408EPP (versions before 1.0.0.15)
GS724TPv2 (versions before 1.1.1.29)
GS808E (versions before 1.7.0.7)
GS810EMX (versions before 1.7.1.1)
GS908E (versions before 1.7.0.3)
GSS108E (versions before 1.6.0.4)
GSS108EPP (versions before 1.0.0.15)
GSS116E (versions before 1.6.0.9)
JGS516PE (versions before 2.6.0.35)
JGS524Ev2 (versions before 2.6.0.35)
JGS524PE (versions before 2.6.0.35)
XS512EM (versions before 1.0.1.1)
XS708Ev2 (versions before 1.6.0.23)
XS716E (versions before 1.6.0.23)
XS724EM (versions before 1.0.1.1)

Exploitation Mechanism

The vulnerability has a low attack complexity and requires high privileges to exploit.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by NETGEAR for the affected devices.
Restrict network access to trusted sources only.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software on networking devices.
Implement strong access control measures and user authentication protocols.
Conduct regular security audits and penetration testing.
Stay informed about security advisories and updates from NETGEAR.

Patching and Updates

Ensure that all affected NETGEAR devices are updated with the latest firmware patches to mitigate the access control vulnerability.