CVE-2021-45527 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by a buffer overflow vulnerability that can be exploited by an authenticated user.

Understanding CVE-2021-45527

This CVE describes a critical buffer overflow vulnerability in multiple NETGEAR devices.

What is CVE-2021-45527?

The CVE-2021-45527 vulnerability involves a buffer overflow issue that can be triggered by an authenticated user on various NETGEAR routers and WiFi systems.

The Impact of CVE-2021-45527

The impact of this vulnerability is assessed as critical with a CVSS base score of 9.6. It can lead to high availability, confidentiality, and integrity impacts without requiring any special privileges.

Technical Details of CVE-2021-45527

This section dives into the technical aspects of the CVE.

Vulnerability Description

The vulnerability allows an authenticated user to trigger a buffer overflow on NETGEAR devices, potentially leading to unauthorized access or denial of service.

Affected Systems and Versions

The following NETGEAR devices are affected by this vulnerability:

D6220 before 1.0.0.68
D6400 before 1.0.0.102
D7000v2 before 1.0.0.66
... (and many more, as listed in the raw data)

Exploitation Mechanism

The buffer overflow can be exploited by an authenticated user, potentially causing the devices to execute arbitrary code or crash.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE is crucial.

Immediate Steps to Take

Apply security patches provided by NETGEAR promptly.
Restrict network access to trusted users only.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security protocols.
Implement strong authentication mechanisms.
Conduct routine security assessments and audits.

Patching and Updates

Ensure continuous monitoring for security updates and apply patches as soon as they are released.