CVE-2021-45553
Estado: ModificadaAlta (8.8)—
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, R6900P before 1.3.2.126, and R7000P before 1.3.2.126.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.97%
- Percentil entre todas las CVEs puntuadas: 61
- 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 (3)
CWE
- CWE-77
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-45553",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.7,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/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": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-12-26T01:15:15.513",
"references": [
{
"url": "https://kb.netgear.com/000064074/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0225",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.netgear.com/000064074/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0225",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-77"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, R6900P before 1.3.2.126, and R7000P before 1.3.2.126."
},
{
"lang": "es",
"value": "Determinados dispositivos NETGEAR están afectados por una inyección de comandos por parte de un usuario autenticado. Esto afecta a R7000 versiones anteriores a 1.0.11.126, a R6900P versiones anteriores a 1.3.2.126 y a R7000P versiones anteriores a 1.3.2.126"
}
],
"lastModified": "2026-06-17T04:13:38.340",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A0E06EFF-9D71-43DB-A304-9A41998FD68A",
"versionEndExcluding": "1.0.11.126"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C9F86FF6-AB32-4E51-856A-DDE790C0A9A6"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "44801589-B49E-4B00-84DD-EFE47526C70C",
"versionEndExcluding": "1.3.2.126"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C41908FF-AE64-4949-80E3-BEE061B2DA8A"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "182AB5A2-5D07-4A5E-A863-4EE216D6F423",
"versionEndExcluding": "1.3.2.126"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "DFE55F4D-E98B-46D3-B870-041141934CD1"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}