What is CVE-2025-47399?

CVE-2025-47399 is a high-severity vulnerability in Qualcomm Cologne, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2026-02-02.

How severe is CVE-2025-47399?

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

Buffer overflow in Qualcomm Cologne

CVE-2025-47399

Memory Corruption while processing IOCTL call to update sensor property settings with invalid input parameters.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.6th 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 Cologne
Qualcomm Cologne_firmware
Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Wcd9378c
Qualcomm Wcd9378c_firmware
Qualcomm Wsa8840
Qualcomm Wsa8840_firmware
Qualcomm Wsa8845
Qualcomm Wsa8845_firmware

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-47399?: CVE-2025-47399 is a high-severity vulnerability in Qualcomm Cologne, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2026-02-02.
How severe is CVE-2025-47399?: High severity. CVSS v3 base score is 7.8 out of 10.