What is CVE-2025-21468?

CVE-2025-21468 is a high-severity vulnerability in Qualcomm Ar8035, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-05-06.

How severe is CVE-2025-21468?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Qualcomm Ar8035

CVE-2025-21468

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qualcomm Ar8035
Qualcomm Ar8035_firmware
Qualcomm Csra6620
Qualcomm Csra6620_firmware
Qualcomm Csra6640
Qualcomm Csra6640_firmware
Qualcomm Fastconnect_6200
Qualcomm Fastconnect_6200_firmware
Qualcomm Fastconnect_6700
Qualcomm Fastconnect_6700_firmware

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

product-security@qualcomm.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21468?: CVE-2025-21468 is a high-severity vulnerability in Qualcomm Ar8035, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-05-06.
How severe is CVE-2025-21468?: High severity. CVSS v3 base score is 7.8 out of 10.