What is CVE-2025-21423?

CVE-2025-21423 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2025-04-07.

How severe is CVE-2025-21423?

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

Vulnerability in Qualcomm Aqt1000

CVE-2025-21423

Memory corruption occurs when handling client calls to EnableTestMode through an Escape call.

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 Aqt1000
Qualcomm Aqt1000_firmware
Qualcomm Fastconnect_6200
Qualcomm Fastconnect_6200_firmware
Qualcomm Fastconnect_6700
Qualcomm Fastconnect_6700_firmware
Qualcomm Fastconnect_6800
Qualcomm Fastconnect_6800_firmware
Qualcomm Fastconnect_6900
Qualcomm Fastconnect_6900_firmware

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21423?: CVE-2025-21423 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2025-04-07.
How severe is CVE-2025-21423?: High severity. CVSS v3 base score is 7.8 out of 10.