What is CVE-2023-28582?

CVE-2023-28582 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 2024-03-04.

How severe is CVE-2023-28582?

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

Is CVE-2023-28582 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-2023-28582

Memory corruption in Data Modem while verifying hello-verify message during the DTLS handshake.

Vulnerability class: Buffer Overflow

Published 2024-03-04 · 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: 0.004 (35.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% 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: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.qualcomm.com/company/product-security/bulletins/march-2024-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28582?: CVE-2023-28582 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 2024-03-04.
How severe is CVE-2023-28582?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-28582 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.