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ID

VAR-202203-0285


CVE

CVE-2021-44632


TITLE

TP-Link TL-WR886N Buffer Overflow Vulnerability (CNVD-2022-20072)

Trust: 0.6

sources: CNVD: CNVD-2022-20072

DESCRIPTION

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/upgrade_info feature, which allows malicious users to execute arbitrary code on the system via a crafted post request. TP-Link TL-WR886N is a wireless router from China Pulian Company. A buffer overflow vulnerability exists in TP-Link TL-WR886N 20190826 version 2.3.8

Trust: 1.44

sources: NVD: CVE-2021-44632 // CNVD: CNVD-2022-20072

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-20072

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-2022-20072 // NVD: CVE-2021-44632

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-44632
value: CRITICAL

Trust: 1.0

CNVD: CNVD-2022-20072
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202203-944
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2021-44632
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-2022-20072
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-2021-44632
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-2022-20072 // CNNVD: CNNVD-202203-944 // NVD: CVE-2021-44632

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

sources: NVD: CVE-2021-44632

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-944

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202203-944

PATCH

title:Patch for TP-Link WR886N buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/325746

Trust: 0.6

title:TP-Link WR886N Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=185701

Trust: 0.6

sources: CNVD: CNVD-2022-20072 // CNNVD: CNNVD-202203-944

EXTERNAL IDS

db:NVDid:CVE-2021-44632

Trust: 2.2

db:CNVDid:CNVD-2022-20072

Trust: 0.6

db:CNNVDid:CNNVD-202203-944

Trust: 0.6

sources: CNVD: CNVD-2022-20072 // CNNVD: CNNVD-202203-944 // NVD: CVE-2021-44632

REFERENCES

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

Trust: 2.2

url:https://cxsecurity.com/cveshow/cve-2021-44632/

Trust: 0.6

sources: CNVD: CNVD-2022-20072 // CNNVD: CNNVD-202203-944 // NVD: CVE-2021-44632

SOURCES

db:CNVDid:CNVD-2022-20072
db:CNNVDid:CNNVD-202203-944
db:NVDid:CVE-2021-44632

LAST UPDATE DATE

2024-11-23T22:54:42.380000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-20072date:2022-03-16T00:00:00
db:CNNVDid:CNNVD-202203-944date:2022-03-14T00:00:00
db:NVDid:CVE-2021-44632date:2024-11-21T06:31:18.430

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-20072date:2022-03-16T00:00:00
db:CNNVDid:CNNVD-202203-944date:2022-03-10T00:00:00
db:NVDid:CVE-2021-44632date:2022-03-10T17:44:22.407