What is CVE-2022-32663?

CVE-2022-32663 is a high-severity vulnerability in Mediatek Mt5221, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-02-06.

How severe is CVE-2022-32663?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Mediatek Mt5221

CVE-2022-32663

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.

Published 2023-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Mediatek Mt5221
Mediatek Mt5221 Firmware — versions 7.6.6.1
Mediatek Mt7603
Mediatek Mt7603 Firmware — versions 7.6.6.1
Mediatek Mt7613
Mediatek Mt7613 Firmware — versions 7.6.6.1
Mediatek Mt7615
Mediatek Mt7615 Firmware — versions 7.6.6.1
Mediatek Mt7622
Mediatek Mt7622 Firmware — versions 7.6.6.1

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

corp.mediatek.com/product-security-bulletin/February-2023 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-32663?: CVE-2022-32663 is a high-severity vulnerability in Mediatek Mt5221, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-02-06.
How severe is CVE-2022-32663?: High severity. CVSS v3 base score is 7.5 out of 10.