CVE-2025-21461
Estado: AnalizadaAlta (7.8)—
Memory corruption when programming registers through virtual CDM.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.09%
- Percentil entre todas las CVEs puntuadas: 0
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation90 % - Impacto principal
T1059Command and Scripting Interpreterexecution75 % - Impacto secundario
T1078Valid Accountsstealth · persistence · privilege escalation · initial access60 %
Acceso local (AV:L) sin interacción de usuario en firmware de dispositivos Qualcomm. CWE-787 (buffer overflow) permite escalada de privilegios y ejecución de código arbitrario con contexto elevado.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (24)
Qualcomm — Fastconnect 6900 FirmwareQualcomm — Fastconnect 7800 FirmwareQualcomm — Sm6650 FirmwareQualcomm — Sm7635 FirmwareQualcomm — Sm7675 FirmwareQualcomm — Sm7675p FirmwareQualcomm — Sm8635 FirmwareQualcomm — Sm8635p FirmwareQualcomm — Snapdragon 8 GEN 1 Mobile Platform FirmwareQualcomm — Snapdragon 8 GEN 3 Mobile Platform FirmwareQualcomm — Wcd9370 FirmwareQualcomm — Wcd9375 FirmwareQualcomm — Wcd9378 FirmwareQualcomm — Wcd9380 FirmwareQualcomm — Wcd9390 FirmwareQualcomm — Wcd9395 FirmwareQualcomm — Wcn6650 FirmwareQualcomm — Wcn6755 FirmwareQualcomm — Wsa8830 FirmwareQualcomm — Wsa8832 FirmwareQualcomm — Wsa8835 FirmwareQualcomm — Wsa8840 FirmwareQualcomm — Wsa8845 FirmwareQualcomm — Wsa8845h Firmware
CWE
- CWE-787
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-21461",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-21461",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-08-07T03:55:16.470699Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "product-security@qualcomm.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "product-security@qualcomm.com",
"affectedData": [
{
"vendor": "Qualcomm, Inc.",
"product": "Snapdragon",
"versions": [
{
"status": "affected",
"version": "FastConnect 6900"
},
{
"status": "affected",
"version": "FastConnect 7800"
},
{
"status": "affected",
"version": "SM6650"
},
{
"status": "affected",
"version": "SM7635"
},
{
"status": "affected",
"version": "SM7675"
},
{
"status": "affected",
"version": "SM7675P"
},
{
"status": "affected",
"version": "SM8635"
},
{
"status": "affected",
"version": "SM8635P"
},
{
"status": "affected",
"version": "Snapdragon 8 Gen 1 Mobile Platform"
},
{
"status": "affected",
"version": "Snapdragon 8 Gen 3 Mobile Platform"
},
{
"status": "affected",
"version": "WCD9370"
},
{
"status": "affected",
"version": "WCD9375"
},
{
"status": "affected",
"version": "WCD9378"
},
{
"status": "affected",
"version": "WCD9380"
},
{
"status": "affected",
"version": "WCD9390"
},
{
"status": "affected",
"version": "WCD9395"
},
{
"status": "affected",
"version": "WCN6650"
},
{
"status": "affected",
"version": "WCN6755"
},
{
"status": "affected",
"version": "WSA8830"
},
{
"status": "affected",
"version": "WSA8832"
},
{
"status": "affected",
"version": "WSA8835"
},
{
"status": "affected",
"version": "WSA8840"
},
{
"status": "affected",
"version": "WSA8845"
},
{
"status": "affected",
"version": "WSA8845H"
}
],
"platforms": [
"Snapdragon Mobile"
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2025-08-06T08:15:27.470",
"references": [
{
"url": "https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html",
"tags": [
"Vendor Advisory"
],
"source": "product-security@qualcomm.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "product-security@qualcomm.com",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Memory corruption when programming registers through virtual CDM."
},
{
"lang": "es",
"value": "Corrupción de memoria al programar registros a través de CDM virtual."
}
],
"lastModified": "2026-06-17T08:43:29.813",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E670F500-9B71-4BBE-B5DA-221D35803C89"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:fastconnect_6900:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9ADEB5C5-B79A-4F45-B7D3-75945B38DB6C"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B3053D68-C5D8-4D47-A4F0-9F3AF2289E1D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:fastconnect_7800:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "638DBC7F-456F-487D-BED2-2214DFF8BEE2"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm6650_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3BB505DE-5B4A-4CFA-BA99-1307DBF96A43"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm6650:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "39296E3C-4E0F-4B90-A3C0-CA9C9F74CBB6"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm7635_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "094197AC-0D25-480F-B797-06AC9842CD5C"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm7635:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "40AC736A-FEB8-49B3-8500-DB3339906C77"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm7675_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "012C20A8-3F48-48DD-9A77-65C9CB1F6C30"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm7675:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "EE992A86-36BC-40E3-8E96-6542560BE8EC"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm7675p_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3B46F132-4049-40D0-8351-C1C6FD2B47A0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm7675p:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "1846514C-1F95-4568-98DE-C57214401841"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm8635_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65865EE9-59C0-498F-A4C5-EC00D4642603"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm8635:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CE02AB51-6FB6-4727-999B-A7466CEDC534"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:sm8635p_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "88F63D90-4BFC-4EFA-8B74-7A5027A7052D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:sm8635p:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "20EB529B-6B9F-464F-A98B-A8ABE0F01ADB"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:snapdragon_8_gen_1_mobile_platform_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EB8FA32F-4690-4C5B-8968-474DA32FD0A4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:snapdragon_8_gen_1_mobile_platform:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "59BD8BEA-725A-4158-84BE-4AFD476ED03D"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:snapdragon_8_gen_3_mobile_platform_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0FAB6D60-1C03-4F85-B874-FF169402ED09"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:snapdragon_8_gen_3_mobile_platform:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C89A8D93-46DA-4547-A9F1-076FC0D5119D"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1295D869-F4DD-4766-B4AA-3513752F43B4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9370:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B98784DC-3143-4D38-AD28-DBBDCCAB4272"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "34143ABA-7D09-429F-A65C-3A33438BF62C"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9375:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "9D56DFE3-5EF1-4B23-BBD5-0203FBF9CCEC"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9378_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4CFDBB5B-0A4F-4032-874F-D2A7EF933FB0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9378:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D28A12D6-CC60-4BE9-ADEE-FAB58B05440F"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "70292B01-617F-44AD-AF77-1AFC1450523D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9380:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FA94C6D6-85DB-4031-AAF4-C399019AE16D"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9390_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "896F1C04-9957-440F-BF01-C3772CC3B3DF"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9390:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A90555EB-47A7-4717-92D5-35B561825F06"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcd9395_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "699056F6-1517-4F25-AE07-4FFCF6923B9F"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcd9395:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "E4C023D2-6FF5-4FFC-B9F2-895979166580"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcn6650_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "93398092-AF7C-4F04-874C-7E5B4CF7AB00"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcn6650:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "7D242084-5844-4E43-8D7F-D2F8E3521F0C"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wcn6755_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2BC386D9-3D2B-40FA-A2D9-199BB138F46A"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wcn6755:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "133FFD9F-FA09-4801-939B-AD1D507BE5FE"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "11B69595-E488-4590-A150-CE5BE08B5E13"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8830:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "BF680174-5FA6-47D9-8EAB-CC2A37A7BD42"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7ACAD26E-B79E-4659-91A5-D301281F7D36"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8832:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F0E46DA6-9494-4D92-A4AE-A272AF6ACCCC"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F80BC68E-7476-4A40-9F48-53722FE9A5BF"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8835:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6B36F4B2-BAA3-45AD-9967-0EB482C99708"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8840_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA33DE15-C177-43B3-AD50-FF797753D12E"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8840:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AE1A5841-5BCB-4033-ACB9-23F3FCA65309"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8845_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B47BF35-3AA0-4667-842E-19B0FE30BF3C"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8845:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "8A071672-9405-4418-9141-35CEADBB65AF"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:qualcomm:wsa8845h_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BB7CF473-8B25-4851-91F2-1BD693CCDC85"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:qualcomm:wsa8845h:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "91E591F2-8F72-4A5A-9264-2742EB2DABDA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "product-security@qualcomm.com"
}