CVE-2018-21097 : Vulnerability Insights and Analysis

An unauthorized attacker can exploit a stack-based buffer overflow vulnerability in certain NETGEAR devices.

Understanding CVE-2018-21097

What is CVE-2018-21097?

Certain NETGEAR devices are impacted by a stack-based buffer overflow vulnerability that can be exploited by an unauthenticated attacker. The affected models include WAC505, WAC510, WAC120, WN604, WNAP320, WNAP210v2, WNDAP350, WNDAP360, WNDAP660, WNDAP620, and WND930.

The Impact of CVE-2018-21097

This vulnerability has a CVSS base score of 7.1, indicating a high severity level with low confidentiality impact and high integrity impact. Attackers can exploit this issue without requiring privileges, leading to potential unauthorized access.

Technical Details of CVE-2018-21097

Vulnerability Description

Stack-based buffer overflow vulnerability in certain NETGEAR devices

Affected Systems and Versions

WAC505 before version 5.0.5.4
WAC510 before version 5.0.5.4
WAC120 before version 2.1.7
WN604 before version 3.3.10
WNAP320 before version 3.7.11.4
WNAP210v2 before version 3.7.11.4
WNDAP350 before version 3.7.11.4
WNDAP360 before version 3.7.11.4
WNDAP660 before version 3.7.11.4
WNDAP620 before version 2.1.7
WND930 before version 2.1.5

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by NETGEAR for the affected devices
Monitor network traffic for any suspicious activity
Restrict network access to vulnerable devices

Long-Term Security Practices

Regularly update firmware and software on all network devices
Conduct security assessments and penetration testing to identify vulnerabilities

Patching and Updates

Ensure all NETGEAR devices are updated to the latest firmware versions to mitigate the vulnerability