What is CVE-2023-28539?

CVE-2023-28539 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2023-10-03.

How severe is CVE-2023-28539?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in Qualcomm Ar8035

CVE-2023-28539

Memory corruption in WLAN Host when the firmware invokes multiple WMI Service Available command.

Vulnerability class: Buffer Overflow

Published 2023-10-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.001 (1.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

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/october-2023-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28539?: CVE-2023-28539 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2023-10-03.
How severe is CVE-2023-28539?: Medium severity. CVSS v3 base score is 6.6 out of 10.