ID

VAR-202112-2060


CVE

CVE-2021-20157


TITLE

TEW-827DRU  Firmware vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-017226

DESCRIPTION

It is possible for an unauthenticated, malicious user to force the device to reboot due to a hidden administrative command. TEW-827DRU There are unspecified vulnerabilities in the firmware.Service operation interruption (DoS) It may be in a state. Trendnet AC2600 TEW-827DRU is a wireless router

Trust: 2.25

sources: NVD: CVE-2021-20157 // JVNDB: JVNDB-2021-017226 // CNVD: CNVD-2022-03196 // VULMON: CVE-2021-20157

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-03196

AFFECTED PRODUCTS

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

Trust: 1.8

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

Trust: 0.8

vendor:trendnetmodel:tew-827druscope: - version: -

Trust: 0.8

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

Trust: 0.6

sources: CNVD: CNVD-2022-03196 // JVNDB: JVNDB-2021-017226 // NVD: CVE-2021-20157

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-20157
value: HIGH

Trust: 1.0

NVD: CVE-2021-20157
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-03196
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202112-2799
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-20157
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: 1.8

CNVD: CNVD-2022-03196
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-2021-20157
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-2021-20157
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-2022-03196 // JVNDB: JVNDB-2021-017226 // CNNVD: CNNVD-202112-2799 // NVD: CVE-2021-20157

PROBLEMTYPE DATA

problemtype:NVD-CWE-noinfo

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-017226 // NVD: CVE-2021-20157

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2799

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2799

PATCH

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

Trust: 0.8

title:Patch for Trendnet AC2600 TEW-827DRU Denial of Service Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/313401

Trust: 0.6

title:Trendnet AC2600 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176574

Trust: 0.6

sources: CNVD: CNVD-2022-03196 // JVNDB: JVNDB-2021-017226 // CNNVD: CNNVD-202112-2799

EXTERNAL IDS

db:NVDid:CVE-2021-20157

Trust: 3.9

db:TENABLEid:TRA-2021-54

Trust: 3.1

db:JVNDBid:JVNDB-2021-017226

Trust: 0.8

db:CNVDid:CNVD-2022-03196

Trust: 0.6

db:CNNVDid:CNNVD-202112-2799

Trust: 0.6

db:VULMONid:CVE-2021-20157

Trust: 0.1

sources: CNVD: CNVD-2022-03196 // VULMON: CVE-2021-20157 // JVNDB: JVNDB-2021-017226 // CNNVD: CNNVD-202112-2799 // NVD: CVE-2021-20157

REFERENCES

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

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-20157

Trust: 1.4

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-03196 // VULMON: CVE-2021-20157 // JVNDB: JVNDB-2021-017226 // CNNVD: CNNVD-202112-2799 // NVD: CVE-2021-20157

SOURCES

db:CNVDid:CNVD-2022-03196
db:VULMONid:CVE-2021-20157
db:JVNDBid:JVNDB-2021-017226
db:CNNVDid:CNNVD-202112-2799
db:NVDid:CVE-2021-20157

LAST UPDATE DATE

2024-08-14T13:22:58.768000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-03196date:2022-01-13T00:00:00
db:VULMONid:CVE-2021-20157date:2021-12-31T00:00:00
db:JVNDBid:JVNDB-2021-017226date:2023-01-10T07:14:00
db:CNNVDid:CNNVD-202112-2799date:2022-01-11T00:00:00
db:NVDid:CVE-2021-20157date:2022-01-10T16:32:08.800

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-03196date:2022-01-13T00:00:00
db:VULMONid:CVE-2021-20157date:2021-12-30T00:00:00
db:JVNDBid:JVNDB-2021-017226date:2023-01-10T00:00:00
db:CNNVDid:CNNVD-202112-2799date:2021-12-30T00:00:00
db:NVDid:CVE-2021-20157date:2021-12-30T22:15:08.940