Details of VAR-202205-1550

ID

VAR-202205-1550

CVE

CVE-2022-29642

TITLE

TOTOLINK A3100R setUrlFilterRules function buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2022-42734

DESCRIPTION

TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 were discovered to contain a stack overflow via the url parameter in the function setUrlFilterRules. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request. TOTOLINK A3100R is a series of wireless routers from the Chinese company TOTOLINK. A buffer overflow vulnerability exists in the TOTOLINK A3100R setUrlFilterRules function

Trust: 1.53

sources: NVD: CVE-2022-29642 // CNVD: CNVD-2022-42734 // VULMON: CVE-2022-29642

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-42734

AFFECTED PRODUCTS

vendor:	totolink	model:	a3100r	scope:	eq	version:	4.1.2cu.5247_b20211129	Trust: 1.0
vendor:	totolink	model:	a3100r	scope:	eq	version:	4.1.2cu.5050_b20200504	Trust: 1.0
vendor:	totolink	model:	a3100r v4.1.2cu.5050 b20200504	scope:	-	version:	-	Trust: 0.6
vendor:	totolink	model:	a3100r v4.1.2cu.5247 b20211129	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2022-42734 // NVD: CVE-2022-29642

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-29642
value:	HIGH
Trust: 1.0
CNVD:	CNVD-2022-42734
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202205-3668
value:	HIGH
Trust: 0.6
VULMON:	CVE-2022-29642
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2022-29642
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: 1.1
CNVD:	CNVD-2022-42734
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-2022-29642
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

sources: CNVD: CNVD-2022-42734 // VULMON: CVE-2022-29642 // CNNVD: CNNVD-202205-3668 // NVD: CVE-2022-29642

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.0

sources: NVD: CVE-2022-29642

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202205-3668

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202205-3668

PATCH

title:	Patch for TOTOLINK A3100R setUrlFilterRules function buffer overflow vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/334646	Trust: 0.6
title:	TOTOLINK A3100R Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=194452	Trust: 0.6

sources: CNVD: CNVD-2022-42734 // CNNVD: CNNVD-202205-3668

EXTERNAL IDS

db:	NVD	id:	CVE-2022-29642	Trust: 2.3
db:	CNVD	id:	CNVD-2022-42734	Trust: 0.6
db:	CNNVD	id:	CNNVD-202205-3668	Trust: 0.6
db:	VULMON	id:	CVE-2022-29642	Trust: 0.1

sources: CNVD: CNVD-2022-42734 // VULMON: CVE-2022-29642 // CNNVD: CNNVD-202205-3668 // NVD: CVE-2022-29642

REFERENCES

url:	https://github.com/shijin0925/iot/blob/master/totolink%20a3100r/5.md	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2022-29642	Trust: 0.6
url:	https://cxsecurity.com/cveshow/cve-2022-29642/	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2022-42734 // VULMON: CVE-2022-29642 // CNNVD: CNNVD-202205-3668 // NVD: CVE-2022-29642

SOURCES

db:	CNVD	id:	CNVD-2022-42734
db:	VULMON	id:	CVE-2022-29642
db:	CNNVD	id:	CNNVD-202205-3668
db:	NVD	id:	CVE-2022-29642

LAST UPDATE DATE

2024-11-23T22:50:47.779000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-42734	date:	2022-06-01T00:00:00
db:	VULMON	id:	CVE-2022-29642	date:	2022-05-26T00:00:00
db:	CNNVD	id:	CNNVD-202205-3668	date:	2022-05-31T00:00:00
db:	NVD	id:	CVE-2022-29642	date:	2024-11-21T06:59:28.967

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-42734	date:	2022-06-01T00:00:00
db:	VULMON	id:	CVE-2022-29642	date:	2022-05-18T00:00:00
db:	CNNVD	id:	CNNVD-202205-3668	date:	2022-05-18T00:00:00
db:	NVD	id:	CVE-2022-29642	date:	2022-05-18T12:15:08.390