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Vulnerability record · CVE-2022-32663 · published 6 February 2023

CVE-2022-32663: Mediatek mt5221 firmware null pointer dereference vulnerability

Mediatek · Mt5221 Firmware

In Wi-Fi driver, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220720014; Issue ID: GN20220720014.

7.5 CVSS 3.1 High EPSS 1.6% · top 25.3% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

In Wi-Fi driver, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20220720014; Issue ID: GN20220720014.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://corp.mediatek.com/product-security-bulletin/February-2023 Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/February-2023 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-35055Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37560Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37561Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37563Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected C…EPSS 1.2%8.8CVE-2021-37566Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.3%8.8CVE-2021-37568Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.2%8.8CVE-2021-37569Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.2%8.8CVE-2021-37571Mediatek mt7603e firmware out-of-bounds write vulnerabilityMediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle IEEE 1905 protocols. (Affected Chipsets MT7603E, MT76…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2022-32663), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.