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ID

VAR-202203-0287


CVE

CVE-2021-46408


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AX12  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2022-006643

DESCRIPTION

Tenda AX12 v22.03.01.21 was discovered to contain a stack buffer overflow in the function sub_422CE4. This vulnerability allows attackers to cause a Denial of Service (DoS) via the strcpy parameter. Shenzhen Tenda Technology Co.,Ltd. of AX12 An out-of-bounds write vulnerability exists in firmware.Service operation interruption (DoS) It may be in a state. Tenda AX12 is a dual-band Gigabit Wifi 6 wireless router from Tenda, China

Trust: 2.25

sources: NVD: CVE-2021-46408 // JVNDB: JVNDB-2022-006643 // CNVD: CNVD-2022-20581 // VULMON: CVE-2021-46408

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-20581

AFFECTED PRODUCTS

vendor:tendamodel:ax12scope:eqversion:22.03.01.21

Trust: 1.0

vendor:tendamodel:ax12scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ax12scope:eqversion:ax12 firmware 22.03.01.21

Trust: 0.8

vendor:tendamodel:ax12scope: - version: -

Trust: 0.8

vendor:tendamodel:ax12scope:eqversion:v22.03.01.21

Trust: 0.6

sources: CNVD: CNVD-2022-20581 // JVNDB: JVNDB-2022-006643 // NVD: CVE-2021-46408

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-46408
value: HIGH

Trust: 1.0

NVD: CVE-2021-46408
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-20581
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-942
value: HIGH

Trust: 0.6

VULMON: CVE-2021-46408
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-46408
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: 1.9

CNVD: CNVD-2022-20581
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-2021-46408
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-2021-46408
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-2022-20581 // VULMON: CVE-2021-46408 // JVNDB: JVNDB-2022-006643 // CNNVD: CNNVD-202203-942 // NVD: CVE-2021-46408

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2022-006643 // NVD: CVE-2021-46408

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-942

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202203-942

PATCH

title:Check Point Security Alerts: Tenda AX Routers Buffer Overflow (CVE-2021-45392; CVE-2021-46408; CVE-2022-45979; CVE-2022-45995; CVE-2023-49044)url:https://vulmon.com/vendoradvisory?qidtp=check_point_security_alerts&qid=6b32fe3f606047b526e5ec7b48cb0a31

Trust: 0.1

sources: VULMON: CVE-2021-46408

EXTERNAL IDS

db:NVDid:CVE-2021-46408

Trust: 3.9

db:JVNDBid:JVNDB-2022-006643

Trust: 0.8

db:CNVDid:CNVD-2022-20581

Trust: 0.6

db:CNNVDid:CNNVD-202203-942

Trust: 0.6

db:VULMONid:CVE-2021-46408

Trust: 0.1

sources: CNVD: CNVD-2022-20581 // VULMON: CVE-2021-46408 // JVNDB: JVNDB-2022-006643 // CNNVD: CNNVD-202203-942 // NVD: CVE-2021-46408

REFERENCES

url:https://github.com/sec-bin/iot-cve/tree/main/tenda/ax12/2

Trust: 3.1

url:https://nvd.nist.gov/vuln/detail/cve-2021-46408

Trust: 0.8

url:https://cxsecurity.com/cveshow/cve-2021-46408/

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://advisories.checkpoint.com/defense/advisories/public/2023/cpai-2021-1143.html

Trust: 0.1

sources: CNVD: CNVD-2022-20581 // VULMON: CVE-2021-46408 // JVNDB: JVNDB-2022-006643 // CNNVD: CNNVD-202203-942 // NVD: CVE-2021-46408

SOURCES

db:CNVDid:CNVD-2022-20581
db:VULMONid:CVE-2021-46408
db:JVNDBid:JVNDB-2022-006643
db:CNNVDid:CNNVD-202203-942
db:NVDid:CVE-2021-46408

LAST UPDATE DATE

2024-11-23T22:50:52.219000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-20581date:2022-03-18T00:00:00
db:VULMONid:CVE-2021-46408date:2022-03-15T00:00:00
db:JVNDBid:JVNDB-2022-006643date:2023-07-06T08:12:00
db:CNNVDid:CNNVD-202203-942date:2022-03-16T00:00:00
db:NVDid:CVE-2021-46408date:2024-11-21T06:34:02.263

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-20581date:2022-03-18T00:00:00
db:VULMONid:CVE-2021-46408date:2022-03-10T00:00:00
db:JVNDBid:JVNDB-2022-006643date:2023-07-06T00:00:00
db:CNNVDid:CNNVD-202203-942date:2022-03-10T00:00:00
db:NVDid:CVE-2021-46408date:2022-03-10T17:44:44.637