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ID

VAR-202109-1695


CVE

CVE-2021-40284


TITLE

D-Link DSL-3782  Classic buffer overflow vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-011765

DESCRIPTION

D-Link DSL-3782 EU v1.01:EU v1.03 is affected by a buffer overflow which can cause a denial of service. This vulnerability exists in the web interface "/cgi-bin/New_GUI/Igmp.asp". Authenticated remote attackers can trigger this vulnerability by sending a long string in parameter 'igmpsnoopEnable' via an HTTP request. D-Link DSL-3782 Exists in a classic buffer overflow vulnerability.Service operation interruption (DoS) It may be in a state. D-Link DSL-3782 is a wireless router made by D-Link in Taiwan. The vulnerability is caused by the incorrect operation when performing operations on the memory in the WEB interface/cgi-bin/New_GUI/Igmp.asp Verify the data boundary

Trust: 2.25

sources: NVD: CVE-2021-40284 // JVNDB: JVNDB-2021-011765 // CNVD: CNVD-2021-94837 // VULMON: CVE-2021-40284

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-94837

AFFECTED PRODUCTS

vendor:dlinkmodel:dsl-3782scope:eqversion:eu_1.01

Trust: 1.0

vendor:dlinkmodel:dsl-3782scope:eqversion:eu_1.03

Trust: 1.0

vendor:d linkmodel:dsl-3782scope:eqversion:dsl-3782 firmware eu 1.01

Trust: 0.8

vendor:d linkmodel:dsl-3782scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dsl-3782scope:eqversion:dsl-3782 firmware eu 1.03

Trust: 0.8

vendor:d linkmodel:dsl-3782 euscope:eqversion:v1.01

Trust: 0.6

vendor:d linkmodel:dsl-3782 euscope:eqversion:v1.03

Trust: 0.6

sources: CNVD: CNVD-2021-94837 // JVNDB: JVNDB-2021-011765 // NVD: CVE-2021-40284

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-40284
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-40284
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2021-94837
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202109-483
value: MEDIUM

Trust: 0.6

VULMON: CVE-2021-40284
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-40284
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-94837
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-40284
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-40284
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-94837 // VULMON: CVE-2021-40284 // JVNDB: JVNDB-2021-011765 // CNNVD: CNNVD-202109-483 // NVD: CVE-2021-40284

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-011765 // NVD: CVE-2021-40284

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-483

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202109-483

PATCH

title:FW EU v1.03url:https://www.dlink.com/en/security-bulletin

Trust: 0.8

title:Patch for D-Link DSL-3782 buffer overflow vulnerability (CNVD-2021-94837)url:https://www.cnvd.org.cn/patchInfo/show/302916

Trust: 0.6

title:D-Link DSL-3782 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=162867

Trust: 0.6

sources: CNVD: CNVD-2021-94837 // JVNDB: JVNDB-2021-011765 // CNNVD: CNNVD-202109-483

EXTERNAL IDS

db:NVDid:CVE-2021-40284

Trust: 3.9

db:DLINKid:SAP10245

Trust: 1.7

db:JVNDBid:JVNDB-2021-011765

Trust: 0.8

db:CNVDid:CNVD-2021-94837

Trust: 0.6

db:CNNVDid:CNNVD-202109-483

Trust: 0.6

db:VULMONid:CVE-2021-40284

Trust: 0.1

sources: CNVD: CNVD-2021-94837 // VULMON: CVE-2021-40284 // JVNDB: JVNDB-2021-011765 // CNNVD: CNNVD-202109-483 // NVD: CVE-2021-40284

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-40284

Trust: 2.0

url:https://www.dlink.com/en/security-bulletin/

Trust: 1.7

url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10245

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/120.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-94837 // VULMON: CVE-2021-40284 // JVNDB: JVNDB-2021-011765 // CNNVD: CNNVD-202109-483 // NVD: CVE-2021-40284

SOURCES

db:CNVDid:CNVD-2021-94837
db:VULMONid:CVE-2021-40284
db:JVNDBid:JVNDB-2021-011765
db:CNNVDid:CNNVD-202109-483
db:NVDid:CVE-2021-40284

LAST UPDATE DATE

2024-11-23T22:57:56.258000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-94837date:2021-12-07T00:00:00
db:VULMONid:CVE-2021-40284date:2021-09-22T00:00:00
db:JVNDBid:JVNDB-2021-011765date:2022-08-12T05:28:00
db:CNNVDid:CNNVD-202109-483date:2021-09-23T00:00:00
db:NVDid:CVE-2021-40284date:2024-11-21T06:23:49.410

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-94837date:2021-12-07T00:00:00
db:VULMONid:CVE-2021-40284date:2021-09-09T00:00:00
db:JVNDBid:JVNDB-2021-011765date:2022-08-12T00:00:00
db:CNNVDid:CNNVD-202109-483date:2021-09-09T00:00:00
db:NVDid:CVE-2021-40284date:2021-09-09T17:15:07.287