What is CVE-2024-21456?

CVE-2024-21456 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2024-07-01.

How severe is CVE-2024-21456?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Qualcomm Ar8035

CVE-2024-21456

Information Disclosure while parsing beacon frame in STA.

Published 2024-07-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (17.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

Weakness classification (CWE)

References

docs.qualcomm.com/product/publicresources/securitybulletin/july-2024-bulletin.h… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21456?: CVE-2024-21456 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Over-read. CVSS score: 6.5/10. Published 2024-07-01.
How severe is CVE-2024-21456?: Medium severity. CVSS v3 base score is 6.5 out of 10.