ID

VAR-202203-0280


CVE

CVE-2021-44623


TITLE

TP-Link TL-WR886N stack overflow vulnerability (CNVD-2022-21167)

Trust: 0.6

sources: CNVD: CNVD-2022-21167

DESCRIPTION

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 via the /cloud_config/router_post/check_reset_pwd_verify_code interface. TP-Link TL-WR886N is a wireless router from China Pulian Company. The TP-Link TL-WR886N /cloud_config/router_post/check_reset_pwd_verify_code has a stack overflow vulnerability, which can be exploited by a remote attacker to submit a special request, which can crash the application or execute arbitrary code in the context of the application

Trust: 1.44

sources: NVD: CVE-2021-44623 // CNVD: CNVD-2022-21167

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-21167

AFFECTED PRODUCTS

vendor:tp linkmodel:tl-wr886nscope:eqversion:20190826_2.3.8

Trust: 1.0

vendor:tp linkmodel:tl-wr886n 20190826 2.3.8scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-21167 // NVD: CVE-2021-44623

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-44623
value: CRITICAL

Trust: 1.0

CNVD: CNVD-2022-21167
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-952
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2021-44623
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2022-21167
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-44623
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2022-21167 // CNNVD: CNNVD-202203-952 // NVD: CVE-2021-44623

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

sources: NVD: CVE-2021-44623

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-952

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202203-952

PATCH

title:Patch for TP-Link TL-WR886N stack overflow vulnerability (CNVD-2022-21167)url:https://www.cnvd.org.cn/patchInfo/show/325806

Trust: 0.6

title:TP-Link WR886N Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=185709

Trust: 0.6

sources: CNVD: CNVD-2022-21167 // CNNVD: CNNVD-202203-952

EXTERNAL IDS

db:NVDid:CVE-2021-44623

Trust: 2.2

db:CNVDid:CNVD-2022-21167

Trust: 0.6

db:CNNVDid:CNNVD-202203-952

Trust: 0.6

sources: CNVD: CNVD-2022-21167 // CNNVD: CNNVD-202203-952 // NVD: CVE-2021-44623

REFERENCES

url:https://github.com/yu3h0/iot_cve/tree/main/886n/chkresetveriregister

Trust: 1.6

url:https://github.com/yu3h0/iot_cve/tree/main/886n/chkregveriregister

Trust: 0.6

url:https://cxsecurity.com/cveshow/cve-2021-44623/

Trust: 0.6

sources: CNVD: CNVD-2022-21167 // CNNVD: CNNVD-202203-952 // NVD: CVE-2021-44623

SOURCES

db:CNVDid:CNVD-2022-21167
db:CNNVDid:CNNVD-202203-952
db:NVDid:CVE-2021-44623

LAST UPDATE DATE

2024-11-23T21:58:30.272000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-21167date:2022-03-21T00:00:00
db:CNNVDid:CNNVD-202203-952date:2022-03-14T00:00:00
db:NVDid:CVE-2021-44623date:2024-11-21T06:31:17.210

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-21167date:2022-03-16T00:00:00
db:CNNVDid:CNNVD-202203-952date:2022-03-10T00:00:00
db:NVDid:CVE-2021-44623date:2022-03-10T17:44:17.307