CVE-2017-18733 : Security Advisory and Response

A range of NETGEAR devices are susceptible to an authentication bypass issue. This vulnerability affects various models including D6220, D6400, D8500, R6250, R6400, R6400v2, R7100LG, R7300DST, R8300, and R8500.

Understanding CVE-2017-18733

This CVE identifies an authentication bypass vulnerability in certain NETGEAR devices.

What is CVE-2017-18733?

CVE-2017-18733 is an authentication bypass vulnerability affecting specific NETGEAR router models.

The Impact of CVE-2017-18733

The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2017-18733

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to bypass authentication on affected NETGEAR devices.

Affected Systems and Versions

D6220 (prior to version 1.0.0.28)
D6400 (prior to version 1.0.0.60)
D8500 (prior to version 1.0.3.29)
R6250 (prior to version 1.0.4.8)
R6400 (prior to version 1.0.1.22)
R6400v2 (prior to version 1.0.2.32)
R7100LG (prior to version 1.0.0.32)
R7300DST (prior to version 1.0.0.52)
R8300 (prior to version 1.0.2.94)
R8500 (prior to version 1.0.2.100)

Exploitation Mechanism

The vulnerability can be exploited by attackers in the adjacent network without requiring any privileges.

Mitigation and Prevention

Protecting your systems from CVE-2017-18733 is crucial to maintaining security.

Immediate Steps to Take

Update affected devices to the latest firmware versions.
Implement strong network security measures.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly check for security advisories from NETGEAR.
Conduct security audits and penetration testing on your network.

Patching and Updates

Apply patches and updates provided by NETGEAR promptly to address the vulnerability.