What is CVE-2022-33279?

CVE-2022-33279 is a critical-severity vulnerability in Qualcomm Ar9380, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-02-12.

How severe is CVE-2022-33279?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Qualcomm Ar9380

CVE-2022-33279

Memory corruption due to stack based buffer overflow in WLAN having invalid WNM frame length.

Vulnerability class: Buffer Overflow

Published 2023-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

Weakness classification (CWE)

References

www.qualcomm.com/company/product-security/bulletins/february-2023-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2022-33279?: CVE-2022-33279 is a critical-severity vulnerability in Qualcomm Ar9380, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-02-12.
How severe is CVE-2022-33279?: Critical severity. CVSS v3 base score is 9.8 out of 10.