CVE-2021-45515
Estado: ModificadaMedia (6.5)—
Certain NETGEAR devices are affected by denial of service. This affects EX7500 before 1.0.0.72, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, RBRE960 before 6.0.3.68, RBSE960 before 6.0.3.68, 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:N/I:N/A:H
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.44%
- Percentil entre todas las CVEs puntuadas: 36
- Fecha de la puntuación: 5/10/2026
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 (12)
Netgear — Ex7500 FirmwareNetgear — Rbk752 FirmwareNetgear — Rbk852 FirmwareNetgear — Rbke963 FirmwareNetgear — Rbr750 FirmwareNetgear — Rbr850 FirmwareNetgear — Rbre960 FirmwareNetgear — Rbs40v FirmwareNetgear — Rbs750 FirmwareNetgear — Rbs850 FirmwareNetgear — Rbse960 FirmwareNetgear — Rbw30 Firmware
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-45515",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.3,
"accessVector": "ADJACENT_NETWORK",
"vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.5,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "ADJACENT_NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-12-26T01:15:13.627",
"references": [
{
"url": "https://kb.netgear.com/000064484/Security-Advisory-for-Denial-of-Service-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0286",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://kb.netgear.com/000064484/Security-Advisory-for-Denial-of-Service-on-Some-Extenders-and-WiFi-Systems-PSV-2020-0286",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Certain NETGEAR devices are affected by denial of service. This affects EX7500 before 1.0.0.72, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, RBRE960 before 6.0.3.68, RBSE960 before 6.0.3.68, 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 denegación de servicio. Esto afecta a EX7500 versiones anteriores a 1.0.0.72, a RBS40V versiones anteriores a 2.6.1.4, a RBW30 versiones anteriores a 2.6.1.4, a RBRE960 versiones anteriores a 6.0.3.68, a RBSE960 versiones anteriores a 6.0.3.68, a RBR750 versiones anteriores a 3.2.17.12, a RBR850 versiones anteriores a 3.2.10.11. 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": "2026-06-17T04:13:33.087",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3A9F4EEE-E2D2-42B2-BC5C-844055677C1C",
"versionEndExcluding": "1.0.0.72"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:ex7500:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "44336289-F9DA-4779-8C1A-0221E29E2E2F"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E2240C06-A117-48E6-9576-C58F3314A160",
"versionEndExcluding": "2.6.1.4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F0D05F28-47A2-46AE-992E-132B34F6194B"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6F388398-842E-40B1-9ACC-2D9A15D2BF2A",
"versionEndExcluding": "2.6.1.4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FEA73D22-970D-45F2-81F3-9576C04CCC94"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbke963_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D52E6698-739A-4CD2-9FF4-37BB26641A84",
"versionEndExcluding": "6.0.3.68"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbke963:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "2A373427-186D-4741-9751-211FA26DA3CD"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbre960_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "49A5CF62-650B-4579-8527-F1D876D7D8B7",
"versionEndExcluding": "6.0.3.68"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbre960:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "314FF95E-5A0C-4A6B-B8D6-28546F2C1A12"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:netgear:rbse960_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A33F65C-6916-479C-B5F7-FCA5C158A213",
"versionEndExcluding": "6.0.3.68"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:netgear:rbse960:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "419AF785-61C6-4911-A170-6A06D7991948"
}
],
"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: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: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: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"
},
{
"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: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"
}
],
"sourceIdentifier": "cve@mitre.org"
}