CVE-2025-21433

Home/CVE/Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

CVE

Transient DOS when importing a PKCS#8-encoded RSA private key with a zero-sized modulus.

MEDIUM · CVSS 6.2 EPSS 0.00064

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-476NULL Pointer Dereference

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Affected Products & Versions

qualcomm apq8017 firmwareall versions
qualcomm apq8037 firmwareall versions
qualcomm aqt1000 firmwareall versions
qualcomm ar8035 firmwareall versions
qualcomm csra6620 firmwareall versions
qualcomm sd888 firmwareall versions
qualcomm sdm429w firmwareall versions
qualcomm sdx61 firmwareall versions
Show all 60 affected productsqualcomm sg4150p firmwareall versions
qualcomm sg8275p firmwareall versions
qualcomm sm4125 firmwareall versions
qualcomm sm4635 firmwareall versions
qualcomm sm6250 firmwareall versions
qualcomm sm6370 firmwareall versions
qualcomm sm6650 firmwareall versions
qualcomm sm6650p firmwareall versions
qualcomm sm7250p firmwareall versions
qualcomm sm7315 firmwareall versions
qualcomm sm7325p firmwareall versions
qualcomm sm7635 firmwareall versions
qualcomm sm7635p firmwareall versions
qualcomm sm7675 firmwareall versions
qualcomm sm7675p firmwareall versions
qualcomm sm8550p 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 firmwareall versions
qualcomm smart display 200 firmwareall versions
qualcomm snapdragon 4 gen 1 mobile firmwareall versions
qualcomm snapdragon 4 gen 2 mobile firmwareall versions
qualcomm snapdragon 425 mobile firmwareall versions
qualcomm snapdragon 427 mobile firmwareall versions
qualcomm snapdragon 429 mobile firmwareall versions
qualcomm snapdragon 430 mobile firmwareall versions
qualcomm snapdragon 435 mobile firmwareall versions
qualcomm snapdragon 439 mobile firmwareall versions
qualcomm snapdragon 450 mobile firmwareall versions
qualcomm snapdragon 460 mobile firmwareall versions
qualcomm snapdragon 480 5g mobile firmwareall versions
qualcomm snapdragon 480\+ 5g mobile firmwareall versions
qualcomm snapdragon 625 mobile 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 firmwareall versions
qualcomm home hub 100 firmwareall versions
qualcomm pm8937 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

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Scoring & Timeline

6.2

MEDIUM · 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 NVD08 Jul 2025 · 01:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

Technical impact

partial

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

⚑

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/july-2025-bulletin.htmlVendor Advisory

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External lookups - second-class, for what we don’t hold ourselves

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

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Compliance
NIST 800-53
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PCI-DSS v4.0
CIS Controls v8.1

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