CVE-2018-21221

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:A/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459	Vendor Advisory
https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:03

Type	Values Removed	Values Added
References	~~() https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459 - Vendor Advisory~~	() https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459 - Vendor Advisory

Information

Published : 2020-04-28 17:15

Updated : 2024-11-21 04:03

NVD link : CVE-2018-21221

Mitre link : CVE-2018-21221

CVE.ORG link : CVE-2018-21221

JSON object : View

Products Affected

netgear

d3600_firmware
r9000_firmware
r9000
d6000_firmware
d6000
d3600

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2018-21221", "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}], "cvssMetricV30": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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}], "cvssMetricV31": [{"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}]}, "published": "2020-04-28T17:15:12.867", "references": [{"url": "https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://kb.netgear.com/000055116/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-and-Gateways-PSV-2017-2459", "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": "Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52."}, {"lang": "es", "value": "Determinados dispositivos de NETGEAR est\u00e1n afectados por un desbordamiento del b\u00fafer por parte de un atacante no autenticado. Esto afecta a D3600 versiones anteriores a 1.0.0.67, D6000 versiones anteriores a 1.0.0.67, y R9000 versiones anteriores a 1.0.2.52."}], "lastModified": "2024-11-21T04:03:12.800", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679AAEA7-6415-4BBA-AE95-887C2CA609DC", "versionEndExcluding": "1.0.2.52"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D74F1BFC-562E-4E7D-BBAB-2F8B593B5A57"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2089DF5E-598C-4CC2-B910-05C8D209A1BB", "versionEndExcluding": "1.0.0.67"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6F6EA344-FF99-4F27-9860-3C5BE07345A7"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47FB5F9D-2B33-44AD-BD57-164DF945ADA7", "versionEndExcluding": "1.0.0.67"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "31DE9D4E-3CDC-4552-A63F-DD5D95E23F63"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

8.8 /10