CVE-2021-45554
Estado: ModificadaMedia (6.8)—
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.63%
- Percentil entre todas las CVEs puntuadas: 49
- 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 (7)
CWE
- CWE-77
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-45554",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.2,
"accessVector": "ADJACENT_NETWORK",
"vectorString": "AV:A/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": 5.1,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.4,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/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": 1.7
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.8,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 0.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-12-26T01:15:15.563",
"references": [
{
"url": "https://kb.netgear.com/000064119/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0187",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.netgear.com/000064119/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2020-0187",
"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 R6400 before 1.0.1.74, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, and R8000 before 1.0.4.74."
},
{
"lang": "es",
"value": "Determinados dispositivos NETGEAR están afectados por una inyección de comandos por parte de un usuario autenticado. Esto afecta a R6400 versiones anteriores a 1.0.1.74, a R6400v2 versiones anteriores a 1.0.4.118, a R6700v3 versiones anteriores a 1.0.4.118, a R7000 versiones anteriores a 1.0.11.126, a R6900P versiones anteriores a 1.3.3.140, a R7000P versiones anteriores a 1.3.3.140 y a R8000 versiones anteriores a 1.0.4.74"
}
],
"lastModified": "2026-06-17T04:13:38.517",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "176E1E3D-7309-43D8-868A-F677B3D70A02",
"versionEndExcluding": "1.0.1.74"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3E4CDF6B-3829-44D0-9675-71D7BE83CAA2"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0095B9D4-E161-4050-B283-2166CB86CB24",
"versionEndExcluding": "1.0.4.118"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AFE6B3A8-0601-44EA-AD9B-3BDDE6654FDF"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0702F9B6-2DAC-4308-8737-9F85AD28E847",
"versionEndExcluding": "1.0.4.118"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C88DA385-5FAE-49EC-80D6-78F81E7EEC16"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"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": "94795476-184B-4E7D-9D8B-ECB45609108E",
"versionEndExcluding": "1.3.3.140"
}
],
"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": "C3A7E8BF-8CC3-4806-89F5-FBE01A36A1FD",
"versionEndExcluding": "1.3.3.140"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "DFE55F4D-E98B-46D3-B870-041141934CD1"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A662FDCF-DC41-4DC9-B77E-BE1D636AC0B3",
"versionEndExcluding": "1.0.4.74"
}
],
"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"
}