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ID

VAR-202203-1831


CVE

CVE-2021-43664


TITLE

TOTOLINK  of  ex300 v2  Command injection vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2021-019068

DESCRIPTION

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component process forceugpo. TOTOLINK of ex300 v2 Firmware contains a command injection vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TotoLink EX300 is a 300 Mbps wireless N range extender from China TotoLink Company

Trust: 2.16

sources: NVD: CVE-2021-43664 // JVNDB: JVNDB-2021-019068 // CNVD: CNVD-2022-54662

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-54662

AFFECTED PRODUCTS

vendor:totolinkmodel:ex300 v2scope:eqversion:4.0.3c.140_b20210429

Trust: 1.0

vendor:totolinkmodel:ex300 v2scope:eqversion:ex300 v2 firmware 4.0.3c.140 b20210429

Trust: 0.8

vendor:totolinkmodel:ex300 v2scope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:ex300 v2scope: - version: -

Trust: 0.8

vendor:totolinkmodel:ex300 v2 v4.0.3c.140 b20210429scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-54662 // JVNDB: JVNDB-2021-019068 // NVD: CVE-2021-43664

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-43664
value: HIGH

Trust: 1.0

NVD: CVE-2021-43664
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-54662
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-2632
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-43664
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2022-54662
severity: HIGH
baseScore: 9.3
vectorString: AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-43664
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.2
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-43664
baseSeverity: HIGH
baseScore: 8.1
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: HIGH
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-2022-54662 // JVNDB: JVNDB-2021-019068 // CNNVD: CNNVD-202203-2632 // NVD: CVE-2021-43664

PROBLEMTYPE DATA

problemtype:CWE-77

Trust: 1.0

problemtype:Command injection (CWE-77) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-019068 // NVD: CVE-2021-43664

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-2632

TYPE

command injection

Trust: 0.6

sources: CNNVD: CNNVD-202203-2632

EXTERNAL IDS

db:NVDid:CVE-2021-43664

Trust: 3.8

db:JVNDBid:JVNDB-2021-019068

Trust: 0.8

db:CNVDid:CNVD-2022-54662

Trust: 0.6

db:CNNVDid:CNNVD-202203-2632

Trust: 0.6

sources: CNVD: CNVD-2022-54662 // JVNDB: JVNDB-2021-019068 // CNNVD: CNNVD-202203-2632 // NVD: CVE-2021-43664

REFERENCES

url:https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection2.md

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2021-43664

Trust: 1.4

url:https://cxsecurity.com/cveshow/cve-2021-43664/

Trust: 0.6

sources: CNVD: CNVD-2022-54662 // JVNDB: JVNDB-2021-019068 // CNNVD: CNNVD-202203-2632 // NVD: CVE-2021-43664

SOURCES

db:CNVDid:CNVD-2022-54662
db:JVNDBid:JVNDB-2021-019068
db:CNNVDid:CNNVD-202203-2632
db:NVDid:CVE-2021-43664

LAST UPDATE DATE

2024-11-23T22:47:28.622000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-54662date:2022-08-02T00:00:00
db:JVNDBid:JVNDB-2021-019068date:2023-07-14T08:39:00
db:CNNVDid:CNNVD-202203-2632date:2022-04-06T00:00:00
db:NVDid:CVE-2021-43664date:2024-11-21T06:29:34.470

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-54662date:2022-08-02T00:00:00
db:JVNDBid:JVNDB-2021-019068date:2023-07-14T00:00:00
db:CNNVDid:CNNVD-202203-2632date:2022-03-30T00:00:00
db:NVDid:CVE-2021-43664date:2022-03-30T23:15:07.737