CVE-2025-21476 (GCVE-0-2025-21476)
Vulnerability from cvelistv5 – Published: 2025-09-24 15:33 – Updated: 2026-02-26 17:48
VLAI
EPSS
VEX
Title
Buffer Copy Without Checking Size of Input in Computer Vision
Summary
Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-25 03:55 UTC
CWE
- CWE-120 - Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
QCM5430
Affected: QCM6490 Affected: QCM8550 Affected: QCS5430 Affected: QCS615 Affected: QCS6490 Affected: QCS8550 Affected: QCS9100 Affected: SG8275 Affected: SG8275P Affected: SM6650 Affected: SM7635 Affected: SM7675 Affected: SM7675P Affected: SM8550 Affected: SM8550P Affected: SM8635 Affected: SM8635P Affected: SM8650 Affected: SM8650P Affected: SM8650Q Affected: SM8750 Affected: SM8750P Affected: SXR2330P Affected: QCA6391 Affected: QCA6698AQ Affected: QCN9011 Affected: QCN9012 Affected: QCN9274 Affected: WCN3910 Affected: WCN3950 Affected: WCN6650 Affected: WCN6750 Affected: WCN6755 Affected: WCN6855 Affected: WCN6856 Affected: WCN7850 Affected: WCN7851 Affected: WCN7860 Affected: WCN7861 Affected: WCN7880 Affected: WCN7881 |
guessed |
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"version": "SM7635"
},
{
"status": "affected",
"version": "SM7675"
},
{
"status": "affected",
"version": "SM7675P"
},
{
"status": "affected",
"version": "SM8550"
},
{
"status": "affected",
"version": "SM8550P"
},
{
"status": "affected",
"version": "SM8635"
},
{
"status": "affected",
"version": "SM8635P"
},
{
"status": "affected",
"version": "SM8650"
},
{
"status": "affected",
"version": "SM8650P"
},
{
"status": "affected",
"version": "SM8650Q"
},
{
"status": "affected",
"version": "SM8750"
},
{
"status": "affected",
"version": "SM8750P"
},
{
"status": "affected",
"version": "SXR2330P"
},
{
"status": "affected",
"version": "QCA6391"
},
{
"status": "affected",
"version": "QCA6698AQ"
},
{
"status": "affected",
"version": "QCN9011"
},
{
"status": "affected",
"version": "QCN9012"
},
{
"status": "affected",
"version": "QCN9274"
},
{
"status": "affected",
"version": "WCN3910"
},
{
"status": "affected",
"version": "WCN3950"
},
{
"status": "affected",
"version": "WCN6650"
},
{
"status": "affected",
"version": "WCN6750"
},
{
"status": "affected",
"version": "WCN6755"
},
{
"status": "affected",
"version": "WCN6855"
},
{
"status": "affected",
"version": "WCN6856"
},
{
"status": "affected",
"version": "WCN7850"
},
{
"status": "affected",
"version": "WCN7851"
},
{
"status": "affected",
"version": "WCN7860"
},
{
"status": "affected",
"version": "WCN7861"
},
{
"status": "affected",
"version": "WCN7880"
},
{
"status": "affected",
"version": "WCN7881"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Copy Without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-09-24T15:33:26.225Z",
"orgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
"shortName": "qualcomm"
},
"references": [
{
"url": "https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html"
}
],
"title": "Buffer Copy Without Checking Size of Input in Computer Vision"
}
},
"cveMetadata": {
"assignerOrgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
"assignerShortName": "qualcomm",
"cveId": "CVE-2025-21476",
"datePublished": "2025-09-24T15:33:26.225Z",
"dateReserved": "2024-12-18T09:50:08.928Z",
"dateUpdated": "2026-02-26T17:48:15.454Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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