CVE-2021-32467 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-32467, a high-severity vulnerability in MediaTek microchips affecting NETGEAR devices. Learn about affected systems, exploitation, and mitigation steps.
MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. This vulnerability affects Chipsets MT7603E, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915 and Software Versions 7.4.0.0, leading to an out-of-bounds read.
Understanding CVE-2021-32467
This section will provide insights into the nature of the CVE-2021-32467 vulnerability.
What is CVE-2021-32467?
CVE-2021-32467 involves the mishandling of the WPS protocol by MediaTek microchips in NETGEAR devices and others, resulting in an out-of-bounds read issue.
The Impact of CVE-2021-32467
With a CVSS base score of 8.2 (High), this vulnerability can have a severe impact on the confidentiality of affected systems, requiring immediate attention.
Technical Details of CVE-2021-32467
This section will delve into the technical aspects of CVE-2021-32467.
Vulnerability Description
The vulnerability arises from the incorrect handling of the WPS protocol, impacting certain MediaTek microchips and software versions.
Affected Systems and Versions
Chipsets MT7603E, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915 and Software Versions 7.4.0.0 are susceptible to this vulnerability.
Exploitation Mechanism
The vulnerability allows for an out-of-bounds read, potentially leading to unauthorized access or information disclosure.
Mitigation and Prevention
In this section, we will discuss the steps to mitigate and prevent CVE-2021-32467.
Immediate Steps to Take
Users are advised to apply patches and updates as soon as they become available from NETGEAR and MediaTek to address this vulnerability.
Long-Term Security Practices
Implementing network segmentation, strong access controls, and regular security audits can help enhance overall cybersecurity posture.
Patching and Updates
Stay informed about security bulletins and advisories from both NETGEAR and MediaTek, ensuring timely patching of affected devices.