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ID

VAR-202106-1772


CVE

CVE-2021-34202


TITLE

D-Link AC2600  Out-of-bounds Vulnerability in Microsoft

Trust: 0.8

sources: JVNDB: JVNDB-2021-008235

DESCRIPTION

There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution. D-Link AC2600(DIR-2640) Is vulnerable to an out-of-bounds write.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. D-Link AC2600 is a wireless device produced by D-Link in Taiwan. D-Link AC2600 has security vulnerabilities

Trust: 2.16

sources: NVD: CVE-2021-34202 // JVNDB: JVNDB-2021-008235 // CNVD: CNVD-2021-44945

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-44945

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-2640-usscope:eqversion:1.01b04

Trust: 1.0

vendor:d linkmodel:d-link dir-2640-usscope:eqversion:d-link dir-2640-us firmware 1.01b04

Trust: 0.8

vendor:d linkmodel:d-link dir-2640-usscope:eqversion: -

Trust: 0.8

vendor:d linkmodel:ac2600scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-44945 // JVNDB: JVNDB-2021-008235 // NVD: CVE-2021-34202

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-34202
value: HIGH

Trust: 1.0

NVD: CVE-2021-34202
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-44945
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202106-1350
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-34202
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2021-44945
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-34202
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-34202
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-44945 // JVNDB: JVNDB-2021-008235 // CNNVD: CNNVD-202106-1350 // NVD: CVE-2021-34202

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-008235 // NVD: CVE-2021-34202

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202106-1350

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202106-1350

PATCH

title:Security Bulletinurl:https://www.dlink.com/en/security-bulletin/

Trust: 0.8

title:Patch for D-Link AC2600 Privilege Escalation Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/275251

Trust: 0.6

title:D-Link AC2600 Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=154439

Trust: 0.6

sources: CNVD: CNVD-2021-44945 // JVNDB: JVNDB-2021-008235 // CNNVD: CNNVD-202106-1350

EXTERNAL IDS

db:NVDid:CVE-2021-34202

Trust: 3.8

db:JVNDBid:JVNDB-2021-008235

Trust: 0.8

db:CNVDid:CNVD-2021-44945

Trust: 0.6

db:CNNVDid:CNNVD-202106-1350

Trust: 0.6

sources: CNVD: CNVD-2021-44945 // JVNDB: JVNDB-2021-008235 // CNNVD: CNNVD-202106-1350 // NVD: CVE-2021-34202

REFERENCES

url:https://github.com/liyansong2018/cve/tree/main/2021/cve-2021-34202

Trust: 2.4

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

Trust: 1.6

url:http://d-link.com

Trust: 1.6

url:http://dir-2640-us.com

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-34202

Trust: 1.4

sources: CNVD: CNVD-2021-44945 // JVNDB: JVNDB-2021-008235 // CNNVD: CNNVD-202106-1350 // NVD: CVE-2021-34202

SOURCES

db:CNVDid:CNVD-2021-44945
db:JVNDBid:JVNDB-2021-008235
db:CNNVDid:CNNVD-202106-1350
db:NVDid:CVE-2021-34202

LAST UPDATE DATE

2024-08-14T15:22:13.260000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-44945date:2021-06-25T00:00:00
db:JVNDBid:JVNDB-2021-008235date:2022-03-09T08:23:00
db:CNNVDid:CNNVD-202106-1350date:2021-06-28T00:00:00
db:NVDid:CVE-2021-34202date:2024-02-14T01:17:43.863

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-44945date:2021-06-25T00:00:00
db:JVNDBid:JVNDB-2021-008235date:2022-03-09T00:00:00
db:CNNVDid:CNNVD-202106-1350date:2021-06-16T00:00:00
db:NVDid:CVE-2021-34202date:2021-06-16T19:15:39.263