CVE-2025-21476

Home/CVE/Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.

CVE

Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.

HIGH · CVSS 7.8 EPSS 0.00019

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

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

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Affected Products & Versions

qualcomm qcs6490 firmwareall versions
qualcomm qcs8550 firmwareall versions
qualcomm qcs9100 firmwareall versions
qualcomm sg8275 firmwareall versions
qualcomm sg8275p firmwareall versions
qualcomm sm6650 firmwareall versions
qualcomm sm7635 firmwareall versions
qualcomm sm7675 firmwareall versions
Show all 42 affected productsqualcomm sm7675p firmwareall versions
qualcomm sm8550 firmwareall versions
qualcomm sm8550p firmwareall versions
qualcomm sm8635 firmwareall versions
qualcomm sm8635p firmwareall versions
qualcomm sm8650 firmwareall versions
qualcomm sm8650p firmwareall versions
qualcomm sm8650q firmwareall versions
qualcomm sm8750 firmwareall versions
qualcomm sm8750p firmwareall versions
qualcomm sxr2330p firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6698aq firmwareall versions
qualcomm qcn9011 firmwareall versions
qualcomm qcn9012 firmwareall versions
qualcomm qcn9274 firmwareall versions
qualcomm wcn3910 firmwareall versions
qualcomm wcn3950 firmwareall versions
qualcomm wcn6650 firmwareall versions
qualcomm wcn6750 firmwareall versions
qualcomm wcn6755 firmwareall versions
qualcomm wcn6855 firmwareall versions
qualcomm wcn6856 firmwareall versions
qualcomm wcn7850 firmwareall versions
qualcomm wcn7851 firmwareall versions
qualcomm wcn7860 firmwareall versions
qualcomm wcn7861 firmwareall versions
qualcomm wcn7880 firmwareall versions
qualcomm wcn7881 firmwareall versions
qualcomm qcm5430 firmwareall versions
qualcomm qcm6490 firmwareall versions
qualcomm qcm8550 firmwareall versions
qualcomm qcs5430 firmwareall versions
qualcomm qcs615 firmwareall versions

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Scoring & Timeline

7.8

HIGH · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD24 Sep 2025 · 04:15 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.htmlVendor Advisory

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NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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