What is CVE-2023-33083?

CVE-2023-33083 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-12-05.

How severe is CVE-2023-33083?

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

Buffer overflow in Qualcomm Ar8035

CVE-2023-33083

Memory corruption in WLAN Host while processing RRM beacon on the AP.

Vulnerability class: Buffer Overflow

Published 2023-12-05 · 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 (47.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

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

Frequently asked questions

What is CVE-2023-33083?: CVE-2023-33083 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-12-05.
How severe is CVE-2023-33083?: Critical severity. CVSS v3 base score is 9.8 out of 10.