CVE-2021-45633
Estado: ModificadaAlta (8.8)—
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/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: 0.83%
- Percentil entre todas las CVEs puntuadas: 56
- 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-2021-45633",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "ADJACENT_NETWORK",
"vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.5,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 9.6,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"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": "2021-12-26T01:15:19.323",
"references": [
{
"url": "https://kb.netgear.com/000064511/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0514",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.netgear.com/000064511/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0514",
"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 unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12."
},
{
"lang": "es",
"value": "Determinados dispositivos NETGEAR están afectados por una inyección de comandos por parte de un atacante no autenticado. Esto afecta a CBR750 versiones anteriores a 4.6.3.6, RBR750 versiones anteriores a 3.2.17.12, RBR850 versiones anteriores a 3.2.17.12, RBS750 versiones anteriores a 3.2.17.12, RBS850 versiones anteriores a 3.2.17.12, RBK752 versiones anteriores a 3.2.17.12 y RBK852 versiones anteriores a 3.2.17.12"
}
],
"lastModified": "2026-06-17T04:13:49.537",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A87D3ACB-B5A3-4F1F-BF46-73C0AD690D8C",
"versionEndExcluding": "4.6.3.6"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CBD14EFC-C6EF-485B-A594-73B8525704A5"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D8D90FF3-F5CE-43DF-ACF7-C64DBDCCA185",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A45832BD-114D-42F1-B9F1-7532496D30A6"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B6AE1767-9D9A-4E9E-B088-6727FACFDE5C",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C13F5C69-FA9B-472A-9036-0C2967BDCDE9"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F614A1AB-F0C0-45D7-8D91-ECA3C1AA9165",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B529194C-C440-4BC3-850F-0613FC548F86"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "845C1FCC-F54B-452A-B121-1CD1A7867027",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "14F257FE-31CE-4F74-829D-29407D74ADF7"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "01E0EF50-145F-407A-8915-4EFFCD833505",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "D92E4C8E-222A-476C-8273-F7171FC61F0B"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0DC5A075-0619-409C-B057-41015B8C54B3",
"versionEndExcluding": "3.2.17.12"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "221CA950-E984-44CD-9E1B-3AADE3CEBE52"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}