CVE-2021-37567 : Vulnerability Insights and Analysis
Learn about CVE-2021-37567, a vulnerability affecting MediaTek microchips in NETGEAR devices and other systems. Understand the impact, technical details, and mitigation steps.
This article provides details about CVE-2021-37567, a vulnerability related to MediaTek microchips mishandling IEEE 1905 protocols.
Understanding CVE-2021-37567
CVE-2021-37567 is a security vulnerability associated with MediaTek microchips commonly found in NETGEAR devices dated up to November 11, 2021, and other devices. The vulnerability involves the mishandling of IEEE 1905 protocols.
What is CVE-2021-37567?
The vulnerability affects specific MediaTek chipsets including MT7603E, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915, along with software versions 2.0.2. It leads to an out-of-bounds read, exposing devices to potential exploits.
The Impact of CVE-2021-37567
With a CVSS base score of 8.2 (High Severity), this vulnerability can result in high confidentiality impact, particularly affecting devices relying on MediaTek chips. Exploitation can occur via a low-complexity network vector.
Technical Details of CVE-2021-37567
The technical details of CVE-2021-37567 shed light on specific aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from the improper handling of IEEE 1905 protocols in MediaTek microchips, leading to an out-of-bounds read scenario.
Affected Systems and Versions
Devices utilizing MediaTek chipsets MT7603E, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915 and running software version 2.0.2 are susceptible to this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited over a network with low complexity, impacting confidentiality on affected devices.
Mitigation and Prevention
It is crucial to take immediate steps to address the CVE-2021-37567 vulnerability and prevent security risks.
Immediate Steps to Take
Ensure devices with affected chipsets and software versions are updated with the latest firmware patches. Consider implementing additional security measures.
Long-Term Security Practices
Regularly monitor security advisories from MediaTek and NETGEAR. Implement network security best practices to safeguard against potential threats.
Patching and Updates
Stay informed about firmware updates and security bulletins released by MediaTek and device manufacturers. Promptly apply patches to mitigate the vulnerability.