PT-2021-5736 · Mediatek · Mediatek Microchips

Published 2021-12-25 · Updated 2022-01-10 · CVE-2021-32468

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:P

Name of the Vulnerable Software and Affected Versions MediaTek microchips versions 7.4.0.0

Description The issue is related to the mishandling of the WPS (Wi-Fi Protected Setup) protocol, which can lead to an out-of-bounds read in memory. This can potentially allow a remote attacker to cause a denial of service.

Recommendations For version 7.4.0.0, consider disabling the WPS protocol until a patch is available. Restrict access to the vulnerable Wi-Fi driver to minimize the risk of exploitation. Avoid using the WPS protocol in affected devices until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2022-00179

CVE-2021-32468

Affected Products

Mediatek Microchips

References · 7

• https://corp.mediatek.com/product-security-bulletin/January-2022 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32468 · Security Note
• https://osv.dev/vulnerability/CVE-2021-32468 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00179 · Security Note
• https://kb.netgear.com/000064368/Security-Advisory-for-WiFi-WPS-and-IEEE-1905-Vulnerabilities-on-Multiple-Products-PSV-2021-0298-PSV-2021-0300 · Note
• https://t.me/cibsecurity/34609 · Telegram Post
• https://t.me/cvenotify/24923 · Telegram Post