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ID

VAR-202112-2059


CVE

CVE-2021-20158


TITLE

Trendnet AC2600 TEW-827DRU  Vulnerability regarding lack of authentication for critical features in

Trust: 0.8

sources: JVNDB: JVNDB-2021-017225

DESCRIPTION

Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicous actor to force the change of the admin password due to a hidden administrative command. Trendnet AC2600 TEW-827DRU There is a vulnerability in the lack of authentication for critical features.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Trendnet AC2600 TEW-827DRU is a wireless router

Trust: 2.25

sources: NVD: CVE-2021-20158 // JVNDB: JVNDB-2021-017225 // CNVD: CNVD-2022-03191 // VULMON: CVE-2021-20158

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-03191

AFFECTED PRODUCTS

vendor:trendnetmodel:tew-827druscope:eqversion:2.08b01

Trust: 1.0

vendor:trendnetmodel:tew-827druscope:eqversion: -

Trust: 0.8

vendor:trendnetmodel:tew-827druscope:eqversion:tew-827dru firmware 2.08b01

Trust: 0.8

vendor:trendnetmodel:ac2600 tew-827dru 2.08b01scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-03191 // JVNDB: JVNDB-2021-017225 // NVD: CVE-2021-20158

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20158
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-20158
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-03191
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202112-2794
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-20158
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-20158
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-2022-03191
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-2021-20158
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-2021-20158
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-2022-03191 // VULMON: CVE-2021-20158 // JVNDB: JVNDB-2021-017225 // CNNVD: CNNVD-202112-2794 // NVD: CVE-2021-20158

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-2021-017225 // NVD: CVE-2021-20158

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2794

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202112-2794

PATCH

title:Top Pageurl:https://www.trendnet.com/

Trust: 0.8

title:Patch for Trendnet AC2600 TEW-827DRU Authentication Bypass Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/313431

Trust: 0.6

title:Trendnet AC2600 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176569

Trust: 0.6

title:Kenzer Templates [5170] [DEPRECATED]url:https://github.com/ARPSyndicate/kenzer-templates

Trust: 0.1

sources: CNVD: CNVD-2022-03191 // VULMON: CVE-2021-20158 // JVNDB: JVNDB-2021-017225 // CNNVD: CNNVD-202112-2794

EXTERNAL IDS

db:NVDid:CVE-2021-20158

Trust: 3.9

db:TENABLEid:TRA-2021-54

Trust: 3.1

db:JVNDBid:JVNDB-2021-017225

Trust: 0.8

db:CNVDid:CNVD-2022-03191

Trust: 0.6

db:CNNVDid:CNNVD-202112-2794

Trust: 0.6

db:VULMONid:CVE-2021-20158

Trust: 0.1

sources: CNVD: CNVD-2022-03191 // VULMON: CVE-2021-20158 // JVNDB: JVNDB-2021-017225 // CNNVD: CNNVD-202112-2794 // NVD: CVE-2021-20158

REFERENCES

url:https://www.tenable.com/security/research/tra-2021-54

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-20158

Trust: 1.4

url:https://cwe.mitre.org/data/definitions/306.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://github.com/arpsyndicate/kenzer-templates

Trust: 0.1

sources: CNVD: CNVD-2022-03191 // VULMON: CVE-2021-20158 // JVNDB: JVNDB-2021-017225 // CNNVD: CNNVD-202112-2794 // NVD: CVE-2021-20158

SOURCES

db:CNVDid:CNVD-2022-03191
db:VULMONid:CVE-2021-20158
db:JVNDBid:JVNDB-2021-017225
db:CNNVDid:CNNVD-202112-2794
db:NVDid:CVE-2021-20158

LAST UPDATE DATE

2024-08-14T13:22:58.304000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-03191date:2022-01-13T00:00:00
db:VULMONid:CVE-2021-20158date:2022-07-12T00:00:00
db:JVNDBid:JVNDB-2021-017225date:2023-01-10T07:09:00
db:CNNVDid:CNNVD-202112-2794date:2022-07-14T00:00:00
db:NVDid:CVE-2021-20158date:2022-07-12T17:42:04.277

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-03191date:2022-01-13T00:00:00
db:VULMONid:CVE-2021-20158date:2021-12-30T00:00:00
db:JVNDBid:JVNDB-2021-017225date:2023-01-10T00:00:00
db:CNNVDid:CNNVD-202112-2794date:2021-12-30T00:00:00
db:NVDid:CVE-2021-20158date:2021-12-30T22:15:08.990