CVE-2021-45524
Estado: ModificadaCrítica (9.1)—
NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 9.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.18%
- Percentil entre todas las CVEs puntuadas: 67
- 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).
Tecnologías afectadas (1)
CWE
- CWE-120
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-45524",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 9,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"authentication": "SINGLE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 7.6,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 1
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 9.1,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-12-26T01:15:14.057",
"references": [
{
"url": "https://kb.netgear.com/000064123/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R8000-PSV-2020-0315",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.netgear.com/000064123/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R8000-PSV-2020-0315",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-120"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user."
},
{
"lang": "es",
"value": "Los dispositivos NETGEAR R8000 versiones anteriores a 1.0.4.62 están afectados por un desbordamiento del búfer por parte de un usuario autenticado"
}
],
"lastModified": "2026-06-17T04:13:34.217",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A6C5E300-92E2-447A-822F-B95D1C59530E",
"versionEndExcluding": "1.0.4.62"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "5B39F095-8FE8-43FD-A866-7B613B495984"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}