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ID

VAR-202206-0054


CVE

CVE-2021-42891


TITLE

TOTOLINK  of  ex1200t  Vulnerability related to lack of authentication for critical functions in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-019779

DESCRIPTION

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can obtain sensitive information (wifikey, etc.) without authorization. TOTOLINK of ex1200t Firmware has a lack of authentication vulnerability for critical functionality.Information may be obtained. TOTOLINK EX1200T is a Wi-Fi range extender from China TOTOLINK

Trust: 2.25

sources: NVD: CVE-2021-42891 // JVNDB: JVNDB-2021-019779 // CNVD: CNVD-2022-53566 // VULMON: CVE-2021-42891

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-53566

AFFECTED PRODUCTS

vendor:totolinkmodel:ex1200tscope:eqversion:4.1.2cu.5215

Trust: 1.0

vendor:totolinkmodel:ex1200tscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:ex1200tscope:eqversion:ex1200t firmware 4.1.2cu.5215

Trust: 0.8

vendor:totolinkmodel:ex1200tscope: - version: -

Trust: 0.8

vendor:totolinkmodel:ex1200t v4.1.2cu.5215scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-53566 // JVNDB: JVNDB-2021-019779 // NVD: CVE-2021-42891

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-42891
value: HIGH

Trust: 1.0

NVD: CVE-2021-42891
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-53566
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202206-460
value: HIGH

Trust: 0.6

VULMON: CVE-2021-42891
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-42891
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-53566
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-42891
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-42891
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-53566 // VULMON: CVE-2021-42891 // JVNDB: JVNDB-2021-019779 // CNNVD: CNNVD-202206-460 // NVD: CVE-2021-42891

PROBLEMTYPE DATA

problemtype:CWE-306

Trust: 1.0

problemtype:Lack of authentication for critical features (CWE-306) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-019779 // NVD: CVE-2021-42891

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202206-460

TYPE

information disclosure

Trust: 0.6

sources: CNNVD: CNNVD-202206-460

EXTERNAL IDS

db:NVDid:CVE-2021-42891

Trust: 3.9

db:JVNDBid:JVNDB-2021-019779

Trust: 0.8

db:CNVDid:CNVD-2022-53566

Trust: 0.6

db:CNNVDid:CNNVD-202206-460

Trust: 0.6

db:VULMONid:CVE-2021-42891

Trust: 0.1

sources: CNVD: CNVD-2022-53566 // VULMON: CVE-2021-42891 // JVNDB: JVNDB-2021-019779 // CNNVD: CNNVD-202206-460 // NVD: CVE-2021-42891

REFERENCES

url:https://github.com/p1kk/vuln/blob/main/totolink_ex1200t_easywizard_leak.md

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-42891

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2021-42891/

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/200.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-53566 // VULMON: CVE-2021-42891 // JVNDB: JVNDB-2021-019779 // CNNVD: CNNVD-202206-460 // NVD: CVE-2021-42891

SOURCES

db:CNVDid:CNVD-2022-53566
db:VULMONid:CVE-2021-42891
db:JVNDBid:JVNDB-2021-019779
db:CNNVDid:CNNVD-202206-460
db:NVDid:CVE-2021-42891

LAST UPDATE DATE

2024-11-23T22:40:27.625000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-53566date:2022-07-26T00:00:00
db:VULMONid:CVE-2021-42891date:2022-06-13T00:00:00
db:JVNDBid:JVNDB-2021-019779date:2023-08-17T08:36:00
db:CNNVDid:CNNVD-202206-460date:2022-06-14T00:00:00
db:NVDid:CVE-2021-42891date:2024-11-21T06:28:17.147

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-53566date:2022-07-26T00:00:00
db:VULMONid:CVE-2021-42891date:2022-06-03T00:00:00
db:JVNDBid:JVNDB-2021-019779date:2023-08-17T00:00:00
db:CNNVDid:CNNVD-202206-460date:2022-06-03T00:00:00
db:NVDid:CVE-2021-42891date:2022-06-03T16:15:11.170