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ID

VAR-202206-0322


CVE

CVE-2021-42887


TITLE

TOTOLINK  of  ex1200t  Firmware vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-019783

DESCRIPTION

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm. TOTOLINK of ex1200t There are unspecified vulnerabilities in the firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK EX1200T is a Wi-Fi range extender from China TOTOLINK

Trust: 2.25

sources: NVD: CVE-2021-42887 // JVNDB: JVNDB-2021-019783 // CNVD: CNVD-2022-46173 // VULMON: CVE-2021-42887

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-46173

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 4.1.2cu.5215scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-46173 // JVNDB: JVNDB-2021-019783 // NVD: CVE-2021-42887

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-42887
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-42887
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-46173
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202206-454
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-42887
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-42887
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-2022-46173
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-2021-42887
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

NVD: CVE-2021-42887
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-2022-46173 // VULMON: CVE-2021-42887 // JVNDB: JVNDB-2021-019783 // CNNVD: CNNVD-202206-454 // NVD: CVE-2021-42887

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-019783 // NVD: CVE-2021-42887

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202206-454

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202206-454

EXTERNAL IDS

db:NVDid:CVE-2021-42887

Trust: 3.9

db:JVNDBid:JVNDB-2021-019783

Trust: 0.8

db:CNVDid:CNVD-2022-46173

Trust: 0.6

db:CNNVDid:CNNVD-202206-454

Trust: 0.6

db:VULMONid:CVE-2021-42887

Trust: 0.1

sources: CNVD: CNVD-2022-46173 // VULMON: CVE-2021-42887 // JVNDB: JVNDB-2021-019783 // CNNVD: CNNVD-202206-454 // NVD: CVE-2021-42887

REFERENCES

url:https://github.com/p1kk/vuln/blob/main/totolink_ex1200t_login_bypass.md

Trust: 2.5

url:https://cxsecurity.com/cveshow/cve-2021-42887/

Trust: 1.2

url:https://nvd.nist.gov/vuln/detail/cve-2021-42887

Trust: 0.8

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

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-46173 // VULMON: CVE-2021-42887 // JVNDB: JVNDB-2021-019783 // CNNVD: CNNVD-202206-454 // NVD: CVE-2021-42887

SOURCES

db:CNVDid:CNVD-2022-46173
db:VULMONid:CVE-2021-42887
db:JVNDBid:JVNDB-2021-019783
db:CNNVDid:CNNVD-202206-454
db:NVDid:CVE-2021-42887

LAST UPDATE DATE

2024-11-23T23:00:49.161000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-46173date:2022-06-17T00:00:00
db:VULMONid:CVE-2021-42887date:2022-06-13T00:00:00
db:JVNDBid:JVNDB-2021-019783date:2023-08-17T08:36:00
db:CNNVDid:CNNVD-202206-454date:2022-06-14T00:00:00
db:NVDid:CVE-2021-42887date:2024-11-21T06:28:16.540

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-46173date:2022-06-17T00:00:00
db:VULMONid:CVE-2021-42887date:2022-06-03T00:00:00
db:JVNDBid:JVNDB-2021-019783date:2023-08-17T00:00:00
db:CNNVDid:CNNVD-202206-454date:2022-06-03T00:00:00
db:NVDid:CVE-2021-42887date:2022-06-03T12:15:07.933