CVE-2025-62863 (GCVE-0-2025-62863)
Vulnerability from cvelistv5 – Published: 2025-12-16 00:00 – Updated: 2025-12-17 14:30
VLAI
EPSS
VEX
Summary
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-17 14:28 UTC
CWE
- n/a
- CWE-787 - Out-of-bounds Write
Assigner
References
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2025-62863",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-17T14:28:39.515420Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-17T14:30:24.767Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver\u2019s S-EL0 address space."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-16T17:09:18.409Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://amperecomputing.com/products/product-security"
},
{
"url": "https://amperecomputing.com/products/security-bulletins/amp-sb-0007"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-62863",
"datePublished": "2025-12-16T00:00:00.000Z",
"dateReserved": "2025-10-24T00:00:00.000Z",
"dateUpdated": "2025-12-17T14:30:24.767Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-62863",
"date": "2026-10-22",
"epss": "0.00365",
"percentile": "0.29194"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a192-32m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A9523999-81AB-47DD-B8D5-A352FE3B1D5B",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a192-32m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2384E36F-8268-404E-80D6-C98E3EA1C299",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a192-26m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A13FFFC6-7355-4F15-B1AC-A1F8D71A4AD1",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a192-26m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "F9EBCAD2-E1D0-40FC-8791-AD0F50EEBE50",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a160-28m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "54A0E3ED-F092-448D-8ACE-A0A16C4B451E",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a160-28m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "1E5723F8-301B-49B1-8968-1337689146DE",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a144-33m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6996EFF6-6CF0-44B9-997F-A3C721D0CDA2",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a144-33m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "45C2645C-B01C-4070-A1D0-32D614028AD3",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a144-26m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "90C08FC4-2D5F-4E67-88AB-A82A1C0D60EC",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a144-26m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "A1766FF3-1D99-4FED-AC42-E0954FCCBF0C",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a96-36m_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "753CE183-4807-4C99-8BD4-43B57C5A44D6",
"versionEndExcluding": "5.4.5.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a96-36m:-:*:*:*:*:*:*:*",
"matchCriteriaId": "1E84F28F-985D-4A5F-9A4E-49B7A39F913E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a96-36x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "851C8C9F-5FFB-451D-95CC-75A8CDAEC59B",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a96-36x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2A293338-7B91-4536-BE77-7A1FE411DFBC",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a128-34x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D2A240BF-86B5-4681-9347-E871369AE3AA",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a128-34x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2759F0C5-2524-4A36-AC06-B4A9125E1189",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a144-24x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A60D15B1-7711-4419-B6ED-A0C8D61DC991",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a144-24x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8A57F1D6-F2CA-4A61-8F2F-C756AD4A11EE",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a144-27x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "8685D55B-0AB3-469D-92C4-F98449084DE4",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a144-27x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E61BD8B1-4DCF-4F35-BF07-C2E44E8E7A7A",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a160-28x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "47D79145-0EE4-45CC-8E51-14D38ECEA119",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a160-28x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "8488DA56-F3F6-4856-AAC9-413C8393612E",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "97DB4E54-13CA-4EA8-9CC6-E5AA0E6EB048",
"versionEndExcluding": "4.4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a192-26x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9744AF49-0DAC-4D77-8C97-358D35AE8CB5",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5E6D74E9-A670-4E89-81CD-B71920B36524",
"versionEndExcluding": "3.5.9.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a192-26x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9744AF49-0DAC-4D77-8C97-358D35AE8CB5",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:amperecomputing:ampereone_a192-32x_firmware:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B63B45BE-CD33-4552-9F11-44D454D79C40",
"versionEndExcluding": "3.5.9.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:amperecomputing:ampereone_a192-32x:-:*:*:*:*:*:*:*",
"matchCriteriaId": "02E036AB-D815-44CA-ABEF-315379550223",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver\u2019s S-EL0 address space."
},
{
"lang": "es",
"value": "Los dispositivos Ampere AmpereOne AC03 anteriores a la versi\u00f3n 3.5.9.3, los dispositivos AmpereOne AC04 anteriores a la versi\u00f3n 4.4.5.2 y los dispositivos AmpereOne M anteriores a la versi\u00f3n 5.4.5.1 permiten una llamada SMC incorrectamente formada al controlador PCIe UEFI-MM que podr\u00eda resultar en una escritura fuera de l\u00edmites dentro del espacio de direcciones S-EL0 del controlador PCIe."
}
],
"id": "CVE-2025-62863",
"lastModified": "2026-10-13T11:10:00.203",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-62863",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-17T14:28:39.515420Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-12-16T18:16:13.493",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://amperecomputing.com/products/product-security"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://amperecomputing.com/products/security-bulletins/amp-sb-0007"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2025-62863",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-12-17T14:28:39.515420Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-17T14:30:10.231Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver\u2019s S-EL0 address space."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-16T17:09:18.409Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://amperecomputing.com/products/product-security"
},
{
"url": "https://amperecomputing.com/products/security-bulletins/amp-sb-0007"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-62863",
"datePublished": "2025-12-16T00:00:00.000Z",
"dateReserved": "2025-10-24T00:00:00.000Z",
"dateUpdated": "2025-12-17T14:30:24.767Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Loading…
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.
Loading…