What is CVE-2025-21486?

CVE-2025-21486 is a high-severity vulnerability in Qualcomm Fastconnect 6900, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2025-06-03.

How severe is CVE-2025-21486?

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

Vulnerability in Qualcomm Fastconnect 6900

CVE-2025-21486

Memory corruption during dynamic process creation call when client is only passing address and length of shell binary.

EPSS: 0.001 (0.3th 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 Qmp1000
Qualcomm Qmp1000_firmware
Qualcomm Sm8735
Qualcomm Sm8735_firmware
Qualcomm Sm8750
Qualcomm Sm8750_firmware

Weakness classification (CWE)

CWE-822 — Untrusted Pointer Dereference

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21486?: CVE-2025-21486 is a high-severity vulnerability in Qualcomm Fastconnect 6900, classified under Untrusted Pointer Dereference. CVSS score: 7.8/10. Published 2025-06-03.
How severe is CVE-2025-21486?: High severity. CVSS v3 base score is 7.8 out of 10.