CVE-2025-21428 (GCVE-0-2025-21428)
Vulnerability from cvelistv5 – Published: 2025-04-07 10:15 – Updated: 2026-11-03 22:02
VLAI
EPSS
VEX
Title
Buffer Over-read in WLAN Host
Summary
Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-08 03:56 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
9206 LTE Modem
Affected: APQ8017 Affected: AR8031 Affected: C-V2X 9150 Affected: CSRA6620 Affected: CSRA6640 Affected: FastConnect 6200 Affected: FastConnect 6900 Affected: MDM9250 Affected: MDM9628 Affected: MDM9640 Affected: MDM9650 Affected: MSM8996AU Affected: QCA6174 Affected: QCA6174A Affected: QCA6175A Affected: QCA6554A Affected: QCA6564A Affected: QCA6564AU Affected: QCA6574 Affected: QCA6574A Affected: QCA6574AU Affected: QCA6584 Affected: QCA6584AU Affected: QCA6595 Affected: QCA6595AU Affected: QCA6696 Affected: QCA9367 Affected: QCA9377 Affected: QCA9379 Affected: QCM2150 Affected: QEP8111 Affected: Qualcomm 205 Mobile Platform Affected: Qualcomm 215 Mobile Platform Affected: SA2150P Affected: SD626 Affected: SDM429W Affected: Smart Audio 200 Platform Affected: Smart Audio 400 Platform Affected: Smart Display 200 Platform (APQ5053-AA) Affected: Snapdragon 1200 Wearable Platform Affected: Snapdragon 210 Processor Affected: Snapdragon 212 Mobile Platform Affected: Snapdragon 425 Mobile Platform Affected: Snapdragon 429 Mobile Platform Affected: Snapdragon 439 Mobile Platform Affected: Snapdragon 625 Mobile Platform Affected: Snapdragon 626 Mobile Platform Affected: Snapdragon 632 Mobile Platform Affected: Snapdragon 820 Automotive Platform Affected: Snapdragon Auto 5G Modem-RF Affected: Snapdragon X12 LTE Modem Affected: Snapdragon X35 5G Modem-RF System Affected: Snapdragon X5 LTE Modem Affected: Vision Intelligence 100 Platform (APQ8053-AA) Affected: Vision Intelligence 200 Platform (APQ8053-AC) Affected: WCD9326 Affected: WCD9330 Affected: WCD9335 Affected: WCD9340 Affected: WCN3610 Affected: WCN3615 Affected: WCN3620 Affected: WCN3660B Affected: WCN3680 Affected: WCN3680B Affected: WCN3980 Affected: WSA8810 Affected: WSA8815 |
guessed |
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"sourceIdentifier": "product-security@qualcomm.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-126"
}
],
"source": "product-security@qualcomm.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T08:51:40+00:00",
"cve": "CVE-2025-21428",
"id": "CVE-2025-21428",
"initial_release_date": "2025-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Buffer Over-read in WLAN Host",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21428.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-21428",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-08T03:56:08.408314Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-07T15:32:40.948Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"Snapdragon Auto",
"Snapdragon Connectivity",
"Snapdragon Consumer Electronics Connectivity",
"Snapdragon Industrial IOT",
"Snapdragon Mobile",
"Snapdragon Voice \u0026 Music",
"Snapdragon Wearables"
],
"product": "Snapdragon",
"vendor": "Qualcomm, Inc.",
"versions": [
{
"status": "affected",
"version": "9206 LTE Modem"
},
{
"status": "affected",
"version": "APQ8017"
},
{
"status": "affected",
"version": "AR8031"
},
{
"status": "affected",
"version": "C-V2X 9150"
},
{
"status": "affected",
"version": "CSRA6620"
},
{
"status": "affected",
"version": "CSRA6640"
},
{
"status": "affected",
"version": "FastConnect 6200"
},
{
"status": "affected",
"version": "FastConnect 6900"
},
{
"status": "affected",
"version": "MDM9250"
},
{
"status": "affected",
"version": "MDM9628"
},
{
"status": "affected",
"version": "MDM9640"
},
{
"status": "affected",
"version": "MDM9650"
},
{
"status": "affected",
"version": "MSM8996AU"
},
{
"status": "affected",
"version": "QCA6174"
},
{
"status": "affected",
"version": "QCA6174A"
},
{
"status": "affected",
"version": "QCA6175A"
},
{
"status": "affected",
"version": "QCA6554A"
},
{
"status": "affected",
"version": "QCA6564A"
},
{
"status": "affected",
"version": "QCA6564AU"
},
{
"status": "affected",
"version": "QCA6574"
},
{
"status": "affected",
"version": "QCA6574A"
},
{
"status": "affected",
"version": "QCA6574AU"
},
{
"status": "affected",
"version": "QCA6584"
},
{
"status": "affected",
"version": "QCA6584AU"
},
{
"status": "affected",
"version": "QCA6595"
},
{
"status": "affected",
"version": "QCA6595AU"
},
{
"status": "affected",
"version": "QCA6696"
},
{
"status": "affected",
"version": "QCA9367"
},
{
"status": "affected",
"version": "QCA9377"
},
{
"status": "affected",
"version": "QCA9379"
},
{
"status": "affected",
"version": "QCM2150"
},
{
"status": "affected",
"version": "QEP8111"
},
{
"status": "affected",
"version": "Qualcomm 205 Mobile Platform"
},
{
"status": "affected",
"version": "Qualcomm 215 Mobile Platform"
},
{
"status": "affected",
"version": "SA2150P"
},
{
"status": "affected",
"version": "SD626"
},
{
"status": "affected",
"version": "SDM429W"
},
{
"status": "affected",
"version": "Smart Audio 200 Platform"
},
{
"status": "affected",
"version": "Smart Audio 400 Platform"
},
{
"status": "affected",
"version": "Smart Display 200 Platform (APQ5053-AA)"
},
{
"status": "affected",
"version": "Snapdragon 1200 Wearable Platform"
},
{
"status": "affected",
"version": "Snapdragon 210 Processor"
},
{
"status": "affected",
"version": "Snapdragon 212 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 425 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 429 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 439 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 625 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 626 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 632 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 820 Automotive Platform"
},
{
"status": "affected",
"version": "Snapdragon Auto 5G Modem-RF"
},
{
"status": "affected",
"version": "Snapdragon X12 LTE Modem"
},
{
"status": "affected",
"version": "Snapdragon X35 5G Modem-RF System"
},
{
"status": "affected",
"version": "Snapdragon X5 LTE Modem"
},
{
"status": "affected",
"version": "Vision Intelligence 100 Platform (APQ8053-AA)"
},
{
"status": "affected",
"version": "Vision Intelligence 200 Platform (APQ8053-AC)"
},
{
"status": "affected",
"version": "WCD9326"
},
{
"status": "affected",
"version": "WCD9330"
},
{
"status": "affected",
"version": "WCD9335"
},
{
"status": "affected",
"version": "WCD9340"
},
{
"status": "affected",
"version": "WCN3610"
},
{
"status": "affected",
"version": "WCN3615"
},
{
"status": "affected",
"version": "WCN3620"
},
{
"status": "affected",
"version": "WCN3660B"
},
{
"status": "affected",
"version": "WCN3680"
},
{
"status": "affected",
"version": "WCN3680B"
},
{
"status": "affected",
"version": "WCN3980"
},
{
"status": "affected",
"version": "WSA8810"
},
{
"status": "affected",
"version": "WSA8815"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-126",
"description": "CWE-126 Buffer Over-read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-07T10:15:55.243Z",
"orgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
"shortName": "qualcomm"
},
"references": [
{
"url": "https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html"
}
],
"title": "Buffer Over-read in WLAN Host"
}
},
"cveMetadata": {
"assignerOrgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f",
"assignerShortName": "qualcomm",
"cveId": "CVE-2025-21428",
"datePublished": "2025-04-07T10:15:55.243Z",
"dateReserved": "2024-12-18T09:50:08.919Z",
"dateUpdated": "2026-11-03T22:02:54.676Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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.
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 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.