CVE-2021-37565 : What You Need to Know
Explore the impact of CVE-2021-37565, a high severity vulnerability affecting MediaTek microchips in NETGEAR devices through 2021-11-11. Learn about affected systems, exploit risks, and mitigation strategies.
A detailed insight into the CVE-2021-37565 vulnerability affecting MediaTek microchips in NETGEAR and other devices.
Understanding CVE-2021-37565
This section delves into the impact, technical details, and mitigation strategies related to this vulnerability.
What is CVE-2021-37565?
MediaTek microchips, specifically in NETGEAR devices until November 11, 2021, and other devices, mishandle IEEE 1905 protocols, leading to an out-of-bounds read vulnerability. The affected chipsets include MT7603E, MT7613, MT7615, MT7622, MT7628, MT7629, and MT7915, with affected software versions 2.0.2.
The Impact of CVE-2021-37565
The CVSS v3.1 base score for CVE-2021-37565 is 8.2, categorizing it as a high severity issue. The attack complexity is low, requiring no privileges, but impacting confidentiality significantly while leaving integrity unaffected.
Technical Details of CVE-2021-37565
Here we explore the vulnerability description, affected systems, versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from the mishandling of IEEE 1905 protocols by MediaTek microchips, potentially leading to out-of-bounds read.
Affected Systems and Versions
Devices utilizing MediaTek chipsets including MT7603E, MT7613, MT7615, MT7622, MT7628, MT7629, MT7915, and software version 2.0.2 are vulnerable to this issue.
Exploitation Mechanism
The vulnerability can be exploited through network-based attacks with low complexity and no user interaction required.
Mitigation and Prevention
Discover the necessary steps to secure your systems against CVE-2021-37565 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to monitor official security bulletins and apply patches promptly upon release.
Long-Term Security Practices
Implementing network segmentation, regular security audits, and robust access controls can enhance long-term security.
Patching and Updates
Regularly update firmware and software, following vendor recommendations to mitigate the risk effectively.