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ID

VAR-202109-0383


CVE

CVE-2021-21913


TITLE

D-LINK DIR-3040  Vulnerability in using hard-coded credentials in

Trust: 0.8

sources: JVNDB: JVNDB-2021-012254

DESCRIPTION

An information disclosure vulnerability exists in the WiFi Smart Mesh functionality of D-LINK DIR-3040 1.13B03. A specially-crafted network request can lead to command execution. An attacker can connect to the MQTT service to trigger this vulnerability. D-LINK DIR-3040 Contains a vulnerability in the use of hard-coded credentials.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. D-LINK DIR-3040 is a router of D-Link Corporation in Taiwan. Provides the function of connecting to the network

Trust: 2.25

sources: NVD: CVE-2021-21913 // JVNDB: JVNDB-2021-012254 // CNVD: CNVD-2021-94832 // VULMON: CVE-2021-21913

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-94832

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-3040scope:eqversion:1.13b03

Trust: 1.0

vendor:d linkmodel:dir-3040scope:eqversion:dir-3040 firmware 1.13b03

Trust: 0.8

vendor:d linkmodel:dir-3040scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dir-3040 1.13b03scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2021-94832 // JVNDB: JVNDB-2021-012254 // NVD: CVE-2021-21913

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-21913
value: CRITICAL

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21913
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-21913
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2021-94832
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202109-1637
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-21913
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-21913
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-94832
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-21913
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21913
baseSeverity: CRITICAL
baseScore: 10.0
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 6.0
version: 3.0

Trust: 1.0

NVD: CVE-2021-21913
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-94832 // VULMON: CVE-2021-21913 // JVNDB: JVNDB-2021-012254 // CNNVD: CNNVD-202109-1637 // NVD: CVE-2021-21913 // NVD: CVE-2021-21913

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.0

problemtype:Use hard-coded credentials (CWE-798) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-012254 // NVD: CVE-2021-21913

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-1637

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202109-1637

PATCH

title:Top Pageurl:https://www.dlink.com.br/

Trust: 0.8

title:Patch for D-LINK DIR-3040 Information Disclosure Vulnerability (CNVD-2021-94832)url:https://www.cnvd.org.cn/patchInfo/show/302886

Trust: 0.6

title:D-LINK DIR-3040 Repair measures for trust management problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=164248

Trust: 0.6

sources: CNVD: CNVD-2021-94832 // JVNDB: JVNDB-2021-012254 // CNNVD: CNNVD-202109-1637

EXTERNAL IDS

db:NVDid:CVE-2021-21913

Trust: 3.9

db:TALOSid:TALOS-2021-1361

Trust: 2.5

db:JVNDBid:JVNDB-2021-012254

Trust: 0.8

db:CNVDid:CNVD-2021-94832

Trust: 0.6

db:CNNVDid:CNNVD-202109-1637

Trust: 0.6

db:VULMONid:CVE-2021-21913

Trust: 0.1

sources: CNVD: CNVD-2021-94832 // VULMON: CVE-2021-21913 // JVNDB: JVNDB-2021-012254 // CNNVD: CNNVD-202109-1637 // NVD: CVE-2021-21913

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2021-1361

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-21913

Trust: 1.4

url:https://cwe.mitre.org/data/definitions/798.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-94832 // VULMON: CVE-2021-21913 // JVNDB: JVNDB-2021-012254 // CNNVD: CNNVD-202109-1637 // NVD: CVE-2021-21913

CREDITS

Discovered by Dave McDaniel of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202109-1637

SOURCES

db:CNVDid:CNVD-2021-94832
db:VULMONid:CVE-2021-21913
db:JVNDBid:JVNDB-2021-012254
db:CNNVDid:CNNVD-202109-1637
db:NVDid:CVE-2021-21913

LAST UPDATE DATE

2024-08-14T15:42:45.375000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-94832date:2021-12-07T00:00:00
db:VULMONid:CVE-2021-21913date:2021-09-29T00:00:00
db:JVNDBid:JVNDB-2021-012254date:2022-08-26T07:25:00
db:CNNVDid:CNNVD-202109-1637date:2021-09-30T00:00:00
db:NVDid:CVE-2021-21913date:2022-07-21T11:45:38.103

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-94832date:2021-12-07T00:00:00
db:VULMONid:CVE-2021-21913date:2021-09-23T00:00:00
db:JVNDBid:JVNDB-2021-012254date:2022-08-26T00:00:00
db:CNNVDid:CNNVD-202109-1637date:2021-09-23T00:00:00
db:NVDid:CVE-2021-21913date:2021-09-23T15:15:07.527