What is CVE-2025-21459?

CVE-2025-21459 is a high-severity vulnerability in Qualcomm Ar8035, classified under Buffer Over-read. CVSS score: 7.5/10. Published 2025-05-06.

How severe is CVE-2025-21459?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Qualcomm Ar8035

CVE-2025-21459

Transient DOS while parsing per STA profile in ML IE.

Published 2025-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% 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/may-2025-bulletin.ht… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21459?: CVE-2025-21459 is a high-severity vulnerability in Qualcomm Ar8035, classified under Buffer Over-read. CVSS score: 7.5/10. Published 2025-05-06.
How severe is CVE-2025-21459?: High severity. CVSS v3 base score is 7.5 out of 10.