CVE-2025-21481

Home/CVE/Memory corruption while performing private key encryption in trusted application.

CVE

Memory corruption while performing private key encryption in trusted application.

HIGH · CVSS 7.8 EPSS 0.00013

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

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

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Affected Products & Versions

qualcomm 315 5g iot modem firmwareall versions
qualcomm aqt1000 firmwareall versions
qualcomm ar8031 firmwareall versions
qualcomm ar8035 firmwareall versions
qualcomm c-v2x 9150 firmwareall versions
qualcomm sm6250p firmwareall versions
qualcomm sm6370 firmwareall versions
qualcomm sm6650 firmwareall versions
Show all 60 affected productsqualcomm sm7250p firmwareall versions
qualcomm sm7315 firmwareall versions
qualcomm sm7325p firmwareall versions
qualcomm sm7635 firmwareall versions
qualcomm sm7675 firmwareall versions
qualcomm sm7675p firmwareall versions
qualcomm sm8635 firmwareall versions
qualcomm sm8635p firmwareall versions
qualcomm sm8650q firmwareall versions
qualcomm sm8735 firmwareall versions
qualcomm sm8750 firmwareall versions
qualcomm sm8750p firmwareall versions
qualcomm smart audio 400 platform firmwareall versions
qualcomm snapdragon 4 gen 1 mobile platform firmwareall versions
qualcomm snapdragon 460 mobile platform firmwareall versions
qualcomm snapdragon 480 5g mobile platform firmwareall versions
qualcomm snapdragon 480\+ 5g mobile platform \(sm4350-ac\) firmwareall versions
qualcomm snapdragon 662 mobile platform firmwareall versions
qualcomm snapdragon 665 mobile platform firmwareall versions
qualcomm snapdragon 670 mobile platform firmwareall versions
qualcomm snapdragon 675 mobile platform firmwareall versions
qualcomm snapdragon 678 mobile platform \(sm6150-ac\) firmwareall versions
qualcomm snapdragon 680 4g mobile platform firmwareall versions
qualcomm snapdragon 685 4g mobile platform \(sm6225-ad\) firmwareall versions
qualcomm snapdragon 690 5g mobile platform firmwareall versions
qualcomm snapdragon 695 5g mobile platform firmwareall versions
qualcomm snapdragon 710 mobile platform firmwareall versions
qualcomm snapdragon 720g mobile platform firmwareall versions
qualcomm snapdragon 730 mobile platform \(sm7150-aa\) firmwareall versions
qualcomm snapdragon 730g mobile platform \(sm7150-ab\) firmwareall versions
qualcomm snapdragon 732g mobile platform \(sm7150-ac\) firmwareall versions
qualcomm snapdragon 750g 5g mobile platform firmwareall versions
qualcomm snapdragon 765 5g mobile platform \(sm7250-aa\) firmwareall versions
qualcomm snapdragon 765g 5g mobile platform \(sm7250-ab\) firmwareall versions
qualcomm snapdragon 768g 5g mobile platform \(sm7250-ac\) firmwareall versions
qualcomm snapdragon 778g 5g mobile platform firmwareall versions
qualcomm snapdragon 778g\+ 5g mobile platform \(sm7325-ae\) firmwareall versions
qualcomm csra6620 firmwareall versions
qualcomm csra6640 firmwareall versions
qualcomm fastconnect 6200 firmwareall versions
qualcomm fastconnect 6700 firmwareall versions
qualcomm fastconnect 6800 firmwareall versions
qualcomm fastconnect 6900 firmwareall versions
qualcomm fastconnect 7800 firmwareall versions
qualcomm flight rb5 5g platform firmwareall versions
qualcomm qam8255p firmwareall versions
qualcomm qam8295p firmwareall versions
qualcomm qam8620p firmwareall versions
qualcomm qam8650p firmwareall versions
qualcomm qam8775p firmwareall versions
qualcomm qamsrv1h firmwareall versions
qualcomm qamsrv1m 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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Vendor Advisories

android-securityANDROID-2025-09-01High

🔗

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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