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ID

VAR-202202-1223


CVE

CVE-2021-45392


TITLE

Tenda Router AX12  Out-of-bounds write vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-018383

DESCRIPTION

A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service. Tenda Router AX12 Exists in an out-of-bounds write vulnerability.Service operation interruption (DoS) It may be in a state. Tenda Ax12 is a dual-band Gigabit Wifi 6 wireless router from Tenda, China. Tenda Router AX12 has a security vulnerability

Trust: 2.25

sources: NVD: CVE-2021-45392 // JVNDB: JVNDB-2021-018383 // CNVD: CNVD-2022-18010 // VULMON: CVE-2021-45392

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-18010

AFFECTED PRODUCTS

vendor:tendamodel:ax12scope:eqversion:22.03.01.21_cn

Trust: 1.0

vendor:tendamodel:ax12scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ax12scope:eqversion:ax12 firmware 22.03.01.21_cn

Trust: 0.8

vendor:tendamodel:ax12 22.03.01.21 cnscope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-18010 // JVNDB: JVNDB-2021-018383 // NVD: CVE-2021-45392

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-45392
value: HIGH

Trust: 1.0

NVD: CVE-2021-45392
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-18010
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202202-1151
value: HIGH

Trust: 0.6

VULMON: CVE-2021-45392
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-45392
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-2022-18010
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-2021-45392
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-2021-45392
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-2022-18010 // VULMON: CVE-2021-45392 // JVNDB: JVNDB-2021-018383 // CNNVD: CNNVD-202202-1151 // NVD: CVE-2021-45392

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-018383 // NVD: CVE-2021-45392

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-1151

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202202-1151

PATCH

title:AX12url:https://www.tenda.com.cn/product/AX12.html

Trust: 0.8

title:Patch for Tenda Router AX12 Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/324426

Trust: 0.6

title:Tenda Router AX12 Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=183402

Trust: 0.6

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: CNVD: CNVD-2022-18010 // VULMON: CVE-2021-45392 // JVNDB: JVNDB-2021-018383 // CNNVD: CNNVD-202202-1151

EXTERNAL IDS

db:NVDid:CVE-2021-45392

Trust: 3.9

db:JVNDBid:JVNDB-2021-018383

Trust: 0.8

db:CNVDid:CNVD-2022-18010

Trust: 0.6

db:CNNVDid:CNNVD-202202-1151

Trust: 0.6

db:VULMONid:CVE-2021-45392

Trust: 0.1

sources: CNVD: CNVD-2022-18010 // VULMON: CVE-2021-45392 // JVNDB: JVNDB-2021-018383 // CNNVD: CNNVD-202202-1151 // NVD: CVE-2021-45392

REFERENCES

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

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-45392

Trust: 2.0

url:https://www.tenda.com.cn/product/ax12.html

Trust: 1.7

url:https://www.tenda.com.cn/

Trust: 1.7

url:http://tendawifi.com/index.html

Trust: 1.7

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-2022-18010 // VULMON: CVE-2021-45392 // JVNDB: JVNDB-2021-018383 // CNNVD: CNNVD-202202-1151 // NVD: CVE-2021-45392

SOURCES

db:CNVDid:CNVD-2022-18010
db:VULMONid:CVE-2021-45392
db:JVNDBid:JVNDB-2021-018383
db:CNNVDid:CNNVD-202202-1151
db:NVDid:CVE-2021-45392

LAST UPDATE DATE

2024-11-23T23:00:57.846000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-18010date:2022-03-10T00:00:00
db:VULMONid:CVE-2021-45392date:2022-02-23T00:00:00
db:JVNDBid:JVNDB-2021-018383date:2023-06-07T04:40:00
db:CNNVDid:CNNVD-202202-1151date:2022-03-10T00:00:00
db:NVDid:CVE-2021-45392date:2024-11-21T06:32:09.490

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-18010date:2022-03-10T00:00:00
db:VULMONid:CVE-2021-45392date:2022-02-14T00:00:00
db:JVNDBid:JVNDB-2021-018383date:2023-06-07T00:00:00
db:CNNVDid:CNNVD-202202-1151date:2022-02-14T00:00:00
db:NVDid:CVE-2021-45392date:2022-02-14T17:15:07.883