What is CVE-2025-21447?

CVE-2025-21447 is a high-severity vulnerability in Qualcomm Fastconnect_6900, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2025-04-07.

How severe is CVE-2025-21447?

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

Vulnerability in Qualcomm Fastconnect_6900

CVE-2025-21447

Memory corruption may occur while processing device IO control call for session control.

EPSS: 0.001 (0.7th 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 Fastconnect_6900
Qualcomm Fastconnect_6900_firmware
Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Sc8380xp
Qualcomm Sc8380xp_firmware
Qualcomm Wcd9380
Qualcomm Wcd9380_firmware
Qualcomm Wcd9385
Qualcomm Wcd9385_firmware

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21447?: CVE-2025-21447 is a high-severity vulnerability in Qualcomm Fastconnect_6900, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2025-04-07.
How severe is CVE-2025-21447?: High severity. CVSS v3 base score is 7.8 out of 10.