CVE record · CVE-2025-21487

Buffer Over-read in Data Network Stack & Connectivity

CVSS 8.2 HighEPSS 0.0027 · 19th percentile

Published by the CVE Program (CNA: qualcomm) at 24 Sept 2025, 15:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Qualcomm, Inc.	Snapdragon	affected APQ8017 affected APQ8064AU affected AQT1000 affected FastConnect 6200 affected FastConnect 6700 affected FastConnect 6800 affected FastConnect 6900 affected FastConnect 7800 affected MSM8996AU affected QAM8255P affected QAM8295P affected QAM8620P and 215 more Other versions: unaffected

Identifiers: CVE-2025-21487
CNA: qualcomm
Weakness (CWE): CWE-126
Tags: Qualcomm, Inc. Snapdragon
CWE-126
Published: 24 Sept 2025
Updated: 25 Sept 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.2	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L	CNA (qualcomm)

CISA KEV Not listed.
EPSS 0.0027, the 19th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Sept 2025. New records show when each source confirmed them.

Sources

References from the CNA

docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.