What is CVE-2025-21488?

CVE-2025-21488 is a high-severity vulnerability in Qualcomm Fastconnect_6200, classified under Buffer Over-read. CVSS score: 8.2/10. Published 2025-09-24.

How severe is CVE-2025-21488?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Qualcomm Fastconnect_6200

CVE-2025-21488

Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.

EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

Affected products

Qualcomm Fastconnect_6200
Qualcomm Fastconnect_6200_firmware
Qualcomm Fastconnect_6700
Qualcomm Fastconnect_6700_firmware
Qualcomm Fastconnect_6900
Qualcomm Fastconnect_6900_firmware
Qualcomm Fastconnect_7800
Qualcomm Fastconnect_7800_firmware
Qualcomm Msm8996au
Qualcomm Msm8996au_firmware

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21488?: CVE-2025-21488 is a high-severity vulnerability in Qualcomm Fastconnect_6200, classified under Buffer Over-read. CVSS score: 8.2/10. Published 2025-09-24.
How severe is CVE-2025-21488?: High severity. CVSS v3 base score is 8.2 out of 10.