What is CVE-2023-33028?

CVE-2023-33028 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-10-03.

How severe is CVE-2023-33028?

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

Is CVE-2023-33028 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Qualcomm Ar8035

CVE-2023-33028

Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.

Vulnerability class: Buffer Overflow

Published 2023-10-03 · 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: 0.005 (43.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% 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: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

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

Frequently asked questions

What is CVE-2023-33028?: CVE-2023-33028 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2023-10-03.
How severe is CVE-2023-33028?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-33028 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.