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ID

VAR-202206-0381


CVE

CVE-2021-42877


TITLE

TOTOLINK  of  ex1200t  Firmware vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-019772

DESCRIPTION

TOTOLINK EX1200T V4.1.2cu.5215 contains a denial of service vulnerability in function RebootSystem of the file lib/cste_modules/system which can reboot the system. TOTOLINK of ex1200t There are unspecified vulnerabilities in the firmware.Service operation interruption (DoS) It may be in a state. TOTOLINK EX1200T is a Wi-Fi range extender from China TOTOLINK

Trust: 2.25

sources: NVD: CVE-2021-42877 // JVNDB: JVNDB-2021-019772 // CNVD: CNVD-2022-53568 // VULMON: CVE-2021-42877

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-53568

AFFECTED PRODUCTS

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

Trust: 1.0

vendor:totolinkmodel:ex1200tscope: - version: -

Trust: 0.8

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

Trust: 0.8

vendor:totolinkmodel:ex1200tscope:eqversion: -

Trust: 0.8

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

Trust: 0.6

sources: CNVD: CNVD-2022-53568 // JVNDB: JVNDB-2021-019772 // NVD: CVE-2021-42877

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-42877
value: HIGH

Trust: 1.0

NVD: CVE-2021-42877
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-53568
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202206-418
value: HIGH

Trust: 0.6

VULMON: CVE-2021-42877
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-42877
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-53568
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-42877
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-42877
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-53568 // VULMON: CVE-2021-42877 // JVNDB: JVNDB-2021-019772 // CNNVD: CNNVD-202206-418 // NVD: CVE-2021-42877

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

problemtype:Lack of information (CWE-noinfo) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-019772 // NVD: CVE-2021-42877

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202206-418

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202206-418

EXTERNAL IDS

db:NVDid:CVE-2021-42877

Trust: 3.9

db:JVNDBid:JVNDB-2021-019772

Trust: 0.8

db:CNVDid:CNVD-2022-53568

Trust: 0.6

db:CNNVDid:CNNVD-202206-418

Trust: 0.6

db:VULMONid:CVE-2021-42877

Trust: 0.1

sources: CNVD: CNVD-2022-53568 // VULMON: CVE-2021-42877 // JVNDB: JVNDB-2021-019772 // CNNVD: CNNVD-202206-418 // NVD: CVE-2021-42877

REFERENCES

url:https://github.com/p1kk/vuln/blob/main/totolink_ex1200t_reboot.md

Trust: 3.1

url:http://totolink.net/

Trust: 2.5

url:http://ex1200t.com

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-42877

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2021-42877/

Trust: 0.6

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

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-53568 // VULMON: CVE-2021-42877 // JVNDB: JVNDB-2021-019772 // CNNVD: CNNVD-202206-418 // NVD: CVE-2021-42877

SOURCES

db:CNVDid:CNVD-2022-53568
db:VULMONid:CVE-2021-42877
db:JVNDBid:JVNDB-2021-019772
db:CNNVDid:CNNVD-202206-418
db:NVDid:CVE-2021-42877

LAST UPDATE DATE

2024-11-23T22:24:49.174000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-53568date:2022-07-26T00:00:00
db:VULMONid:CVE-2021-42877date:2022-06-11T00:00:00
db:JVNDBid:JVNDB-2021-019772date:2023-08-16T08:16:00
db:CNNVDid:CNNVD-202206-418date:2022-06-13T00:00:00
db:NVDid:CVE-2021-42877date:2024-11-21T06:28:15.957

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-53568date:2022-07-26T00:00:00
db:VULMONid:CVE-2021-42877date:2022-06-02T00:00:00
db:JVNDBid:JVNDB-2021-019772date:2023-08-16T00:00:00
db:CNNVDid:CNNVD-202206-418date:2022-06-02T00:00:00
db:NVDid:CVE-2021-42877date:2022-06-02T20:15:08.333