Details of VAR-202203-0930

ID

VAR-202203-0930

CVE

CVE-2021-44629

TITLE

TP-Link TL-WR886N Buffer Overflow Vulnerability (CNVD-2022-20074)

Trust: 0.6

sources: CNVD: CNVD-2022-20074

DESCRIPTION

A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to execute arbitrary code on the system via a crafted post request. TP-LINK TL-WR886N is a router from China Tp-link company. A buffer overflow vulnerability exists in TP-LINK TL-WR886N 20190826 version 2.3.8. The vulnerability arises from incorrect validation of data boundaries when performing operations on memory in the /cloud_config/router_post/register function

Trust: 1.44

sources: NVD: CVE-2021-44629 // CNVD: CNVD-2022-20074

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-20074

AFFECTED PRODUCTS

vendor:	tp link	model:	tl-wr886n	scope:	eq	version:	20190826_2.3.8	Trust: 1.0
vendor:	tp link	model:	tl-wr886n 20190826 2.3.8	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2022-20074 // NVD: CVE-2021-44629

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-44629
value:	CRITICAL
Trust: 1.0
CNVD:	CNVD-2022-20074
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202203-947
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2021-44629
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-2022-20074
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-2021-44629
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-2022-20074 // CNNVD: CNNVD-202203-947 // NVD: CVE-2021-44629

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.0

sources: NVD: CVE-2021-44629

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202203-947

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202203-947

PATCH

title:	Patch for TP-Link WR886N Buffer Overflow Vulnerability (CNVD-2022-20074)	url:	https://www.cnvd.org.cn/patchInfo/show/325756	Trust: 0.6
title:	TP-LINK WR-886N Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=185704	Trust: 0.6

sources: CNVD: CNVD-2022-20074 // CNNVD: CNNVD-202203-947

EXTERNAL IDS

db:	NVD	id:	CVE-2021-44629	Trust: 2.2
db:	CNVD	id:	CNVD-2022-20074	Trust: 0.6
db:	CNNVD	id:	CNNVD-202203-947	Trust: 0.6

sources: CNVD: CNVD-2022-20074 // CNNVD: CNNVD-202203-947 // NVD: CVE-2021-44629

REFERENCES

url:	https://github.com/yu3h0/iot_cve/tree/main/886n/registerregister	Trust: 2.2
url:	https://cxsecurity.com/cveshow/cve-2021-44629/	Trust: 0.6

sources: CNVD: CNVD-2022-20074 // CNNVD: CNNVD-202203-947 // NVD: CVE-2021-44629

SOURCES

db:	CNVD	id:	CNVD-2022-20074
db:	CNNVD	id:	CNNVD-202203-947
db:	NVD	id:	CVE-2021-44629

LAST UPDATE DATE

2024-11-23T22:36:52.723000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-20074	date:	2022-03-16T00:00:00
db:	CNNVD	id:	CNNVD-202203-947	date:	2022-03-16T00:00:00
db:	NVD	id:	CVE-2021-44629	date:	2024-11-21T06:31:17.983

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-20074	date:	2022-03-16T00:00:00
db:	CNNVD	id:	CNNVD-202203-947	date:	2022-03-10T00:00:00
db:	NVD	id:	CVE-2021-44629	date:	2022-03-10T17:44:20.563