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ID

VAR-202203-1765


CVE

CVE-2021-46008


TITLE

Totolink a3100r Trust Management Issue Vulnerability

Trust: 1.2

sources: CNVD: CNVD-2022-55138 // CNNVD: CNNVD-202203-2634

DESCRIPTION

In totolink a3100r V5.9c.4577, the hard-coded telnet password can be discovered from official released firmware. An attacker, who has connected to the Wi-Fi, can easily telnet into the target with root shell if the telnet is function turned on. TOTOLINK of A3100R A vulnerability exists in the firmware regarding the use of hardcoded credentials.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TotoLink A3100R is a series of wireless routers from TotoLink, a Taiwanese company. TotoLink A3100R V5.9c.4577 version has a trust management issue vulnerability

Trust: 2.16

sources: NVD: CVE-2021-46008 // JVNDB: JVNDB-2022-007489 // CNVD: CNVD-2022-55138

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

category:['network device']sub_category:router

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2022-55138

AFFECTED PRODUCTS

vendor:totolinkmodel:a3100rscope:eqversion:5.9c.4577

Trust: 1.0

vendor:totolinkmodel:a3100rscope:eqversion:a3100r firmware 5.9c.4577

Trust: 0.8

vendor:totolinkmodel:a3100rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a3100rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:a3100r 5.9c.4577scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-55138 // JVNDB: JVNDB-2022-007489 // NVD: CVE-2021-46008

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-46008
value: HIGH

Trust: 1.0

NVD: CVE-2021-46008
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-55138
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-2634
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-46008
severity: HIGH
baseScore: 7.9
vectorString: AV:A/AC:M/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 5.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2022-55138
severity: HIGH
baseScore: 7.9
vectorString: AV:A/AC:M/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 5.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-46008
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-46008
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT 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-2022-55138 // JVNDB: JVNDB-2022-007489 // CNNVD: CNNVD-202203-2634 // NVD: CVE-2021-46008

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.0

problemtype:Use hard-coded credentials (CWE-798) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2022-007489 // NVD: CVE-2021-46008

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202203-2634

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202203-2634

EXTERNAL IDS

db:NVDid:CVE-2021-46008

Trust: 3.9

db:JVNDBid:JVNDB-2022-007489

Trust: 0.8

db:CNVDid:CNVD-2022-55138

Trust: 0.6

db:CNNVDid:CNNVD-202203-2634

Trust: 0.6

db:OTHERid:NONE

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2022-55138 // JVNDB: JVNDB-2022-007489 // CNNVD: CNNVD-202203-2634 // NVD: CVE-2021-46008

REFERENCES

url:http://totolink.com

Trust: 2.4

url:https://hackmd.io/zkeeb-vvriwbs53rfkg8dq

Trust: 2.4

url:http://a3100r.com

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2021-46008

Trust: 1.4

url:https://cxsecurity.com/cveshow/cve-2021-46008/

Trust: 0.6

url:https://ieeexplore.ieee.org/abstract/document/10769424

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2022-55138 // JVNDB: JVNDB-2022-007489 // CNNVD: CNNVD-202203-2634 // NVD: CVE-2021-46008

SOURCES

db:OTHERid: -
db:CNVDid:CNVD-2022-55138
db:JVNDBid:JVNDB-2022-007489
db:CNNVDid:CNNVD-202203-2634
db:NVDid:CVE-2021-46008

LAST UPDATE DATE

2025-01-30T21:10:13.651000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-55138date:2022-08-04T00:00:00
db:JVNDBid:JVNDB-2022-007489date:2023-07-14T08:39:00
db:CNNVDid:CNNVD-202203-2634date:2022-04-06T00:00:00
db:NVDid:CVE-2021-46008date:2024-11-21T06:33:28.233

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-55138date:2022-08-04T00:00:00
db:JVNDBid:JVNDB-2022-007489date:2023-07-14T00:00:00
db:CNNVDid:CNNVD-202203-2634date:2022-03-30T00:00:00
db:NVDid:CVE-2021-46008date:2022-03-30T23:15:07.863