CVE-2021-38517 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-38517, which affects certain NETGEAR devices due to out-of-bounds reads and writes, impacting specific router models.

Understanding CVE-2021-38517

This section delves into the nature of the CVE-2021-38517 vulnerability.

What is CVE-2021-38517?

NETGEAR devices are impacted by out-of-bounds reads and writes, specifically affecting R6400, RAX75, RAX80, and XR300 models.

The Impact of CVE-2021-38517

The vulnerability poses a medium severity threat with a CVSS base score of 6.9, potentially leading to high availability impact.

Technical Details of CVE-2021-38517

Exploring the technical aspects and specifics of CVE-2021-38517.

Vulnerability Description

The vulnerability involves out-of-bounds reads and writes on NETGEAR devices, including specific router models.

Affected Systems and Versions

Devices affected include R6400 (before 1.0.1.70), RAX75 (before 1.0.4.120), RAX80 (before 1.0.4.120), and XR300 (before 1.0.3.50).

Exploitation Mechanism

The vulnerability can be exploited via an adjacent network with high privileges required, potentially resulting in altered scope and high availability impact.

Mitigation and Prevention

Guidelines to mitigate the risks associated with CVE-2021-38517.

Immediate Steps to Take

Users are advised to update affected devices to the patched versions provided by NETGEAR to prevent exploitation.

Long-Term Security Practices

Implementing strict network access controls, regular security updates, and monitoring for suspicious activities can enhance long-term security.

Patching and Updates

Regularly check for security updates from NETGEAR and apply patches promptly to maintain device security.