CVE-2018-21150 : What You Need to Know

A stack-based buffer overflow vulnerability affecting certain NETGEAR devices.

Understanding CVE-2018-21150

What is CVE-2018-21150?

The authenticated user can trigger a stack-based buffer overflow on specific NETGEAR devices, impacting various models and versions.

The Impact of CVE-2018-21150

This vulnerability can lead to a stack-based buffer overflow on NETGEAR devices, potentially exploited by authenticated users.

Technical Details of CVE-2018-21150

Vulnerability Description

The vulnerability allows an authenticated user to cause a stack-based buffer overflow on NETGEAR devices.

Affected Systems and Versions

D7800 (before 1.0.1.34)
DM200 (before 1.0.0.50)
R6100 (before 1.0.1.22)
R7500 (before 1.0.0.122)
R7500v2 (before 1.0.3.26)
R7800 (before 1.0.2.42)
R8900 (before 1.0.3.10)
R9000 (before 1.0.3.10)
WNDR3700v4 (before 1.0.2.96)
WNDR4300 (before 1.0.2.98)
WNDR4300v2 (before 1.0.0.54)
WNDR4500v3 (before 1.0.0.54)
WNR2000v5 (before 1.0.0.64)

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user to execute a stack-based buffer overflow attack.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by NETGEAR.
Monitor vendor's security advisories for updates.

Long-Term Security Practices

Regularly update firmware and software.
Implement strong authentication mechanisms.
Conduct security assessments and penetration testing.

Patching and Updates

Ensure all affected devices are updated with the latest firmware and security patches.