Details of VAR-202112-2243

ID

VAR-202112-2243

CVE

CVE-2021-37561

TITLE

plural MediaTek Out-of-Bounds Write Vulnerability in Microchips

Trust: 0.8

sources: JVNDB: JVNDB-2021-017309

DESCRIPTION

MediaTek microchips, as used in NETGEAR devices through 2021-11-11 and other devices, mishandle the WPS (Wi-Fi Protected Setup) protocol. (Affected Chipsets MT7603E, MT7610, MT7612, MT7613, MT7615, MT7620, MT7622, MT7628, MT7629, MT7915; Affected Software Versions 7.4.0.0; Out-of-bounds write). plural MediaTek Microchips have an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-37561 // JVNDB: JVNDB-2021-017309 // VULMON: CVE-2021-37561

IOT TAXONOMY

category:	['network device', 'embedded device']	sub_category:	network device	Trust: 0.1
category:	['network device', 'embedded device']	sub_category:	chipset	Trust: 0.1

sources: OTHER: None

AFFECTED PRODUCTS

vendor:	mediatek	model:	mt7915	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7615	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7603e	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7622	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7612	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7610	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7628	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7629	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7613	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	mediatek	model:	mt7620	scope:	eq	version:	7.4.0.0	Trust: 1.0
vendor:	メディアテック	model:	mt7610	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7629	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7915	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7622	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7620	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7615	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7628	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7613	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7612	scope:	-	version:	-	Trust: 0.8
vendor:	メディアテック	model:	mt7603e	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017309 // NVD: CVE-2021-37561

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-37561
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-37561
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-37561
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2321
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2021-37561
severity:	HIGH
baseScore:	9.3
vectorString:	AV:N/AC:M/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.6
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8

nvd@nist.gov:	CVE-2021-37561
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2021-37561
baseSeverity:	HIGH
baseScore:	8.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	NONE
availabilityImpact:	LOW
exploitabilityScore:	3.9
impactScore:	4.2
version:	3.1
Trust: 1.0
NVD:	CVE-2021-37561
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2021-017309 // CNNVD: CNNVD-202112-2321 // NVD: CVE-2021-37561 // NVD: CVE-2021-37561

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-017309 // NVD: CVE-2021-37561

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2321

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202112-2321

PATCH

title:	January 2022 Product Security Bulletin	url:	https://corp.mediatek.com/product-security-bulletin/January-2022	Trust: 0.8
title:	NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=176659	Trust: 0.6

sources: JVNDB: JVNDB-2021-017309 // CNNVD: CNNVD-202112-2321

EXTERNAL IDS

db:	NVD	id:	CVE-2021-37561	Trust: 3.4
db:	JVNDB	id:	JVNDB-2021-017309	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2321	Trust: 0.6
db:	OTHER	id:	NONE	Trust: 0.1
db:	VULMON	id:	CVE-2021-37561	Trust: 0.1

sources: OTHER: None // VULMON: CVE-2021-37561 // JVNDB: JVNDB-2021-017309 // CNNVD: CNNVD-202112-2321 // NVD: CVE-2021-37561

REFERENCES

url:	https://kb.netgear.com/000064368/security-advisory-for-wifi-wps-and-ieee-1905-vulnerabilities-on-multiple-products-psv-2021-0298-psv-2021-0300	Trust: 2.5
url:	https://corp.mediatek.com/product-security-bulletin/january-2022	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-37561	Trust: 1.4
url:	https://ieeexplore.ieee.org/abstract/document/10769424	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: OTHER: None // VULMON: CVE-2021-37561 // JVNDB: JVNDB-2021-017309 // CNNVD: CNNVD-202112-2321 // NVD: CVE-2021-37561

SOURCES

db:	OTHER	id:	-
db:	VULMON	id:	CVE-2021-37561
db:	JVNDB	id:	JVNDB-2021-017309
db:	CNNVD	id:	CNNVD-202112-2321
db:	NVD	id:	CVE-2021-37561

LAST UPDATE DATE

2025-01-30T22:30:29.534000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-37561	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017309	date:	2023-01-13T06:26:00
db:	CNNVD	id:	CNNVD-202112-2321	date:	2022-01-11T00:00:00
db:	NVD	id:	CVE-2021-37561	date:	2022-01-10T18:28:53.723

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-37561	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017309	date:	2023-01-13T00:00:00
db:	CNNVD	id:	CNNVD-202112-2321	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-37561	date:	2021-12-26T00:15:09.317