CVE-2025-21476 (GCVE-0-2025-21476)
Vulnerability from cvelistv5 – Published: 2025-09-24 15:33 – Updated: 2026-02-26 17:48- CWE-120 - Buffer Copy Without Checking Size of Input ('Classic Buffer Overflow')
| 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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"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"
}
}
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.
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.