Details of VAR-202112-2420

ID

VAR-202112-2420

CVE

CVE-2021-45528

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-017202

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, and WNR3500Lv2 before 1.2.0.62. plural NETGEAR A classic buffer overflow vulnerability exists on the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This affects R6300v2 prior to 1.0.4.52, R6400 prior to 1.0.1.52, R6900 prior to 1.0.2.8, R7000 prior to 1.0.9.88, R7900 prior to 1.0.3.18, R8000 prior to 1.0.4.46, R7900P prior to 1.4.1.50, R8000P prior to 1.4.1.50, RAX75 prior to 1.0.3.88, RAX80 prior to 1.0.3.88, and WNR3500Lv2 prior to 1.2.0.62

Trust: 1.71

sources: NVD: CVE-2021-45528 // JVNDB: JVNDB-2021-017202 // VULMON: CVE-2021-45528

AFFECTED PRODUCTS

vendor:	netgear	model:	r7900	scope:	lt	version:	1.0.3.18	Trust: 1.0
vendor:	netgear	model:	r8000p	scope:	lt	version:	1.4.1.50	Trust: 1.0
vendor:	netgear	model:	r7000	scope:	lt	version:	1.0.9.88	Trust: 1.0
vendor:	netgear	model:	r8000	scope:	lt	version:	1.0.4.46	Trust: 1.0
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.52	Trust: 1.0
vendor:	netgear	model:	r7900p	scope:	lt	version:	1.4.1.50	Trust: 1.0
vendor:	netgear	model:	rax80	scope:	lt	version:	1.0.3.88	Trust: 1.0
vendor:	netgear	model:	r6900	scope:	lt	version:	1.0.2.8	Trust: 1.0
vendor:	netgear	model:	r6300v2	scope:	lte	version:	1.0.4.52	Trust: 1.0
vendor:	netgear	model:	rax75	scope:	lt	version:	1.0.3.88	Trust: 1.0
vendor:	netgear	model:	wnr3500lv2	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	ネットギア	model:	r8000	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax75	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7000	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6400	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax80	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7900	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7900p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6300v2	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r8000p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6900	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017202 // NVD: CVE-2021-45528

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45528
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45528
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-45528
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2342
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45528
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45528
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-45528
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2021-45528
baseSeverity:	HIGH
baseScore:	8.1
vectorString:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.5
impactScore:	6.0
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45528
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-45528 // JVNDB: JVNDB-2021-017202 // CNNVD: CNNVD-202112-2342 // NVD: CVE-2021-45528 // NVD: CVE-2021-45528

PROBLEMTYPE DATA

problemtype:	CWE-120	Trust: 1.0
problemtype:	Classic buffer overflow (CWE-120) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-017202 // NVD: CVE-2021-45528

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2342

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2342

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers, PSV-2019-0069	url:	https://kb.netgear.com/000064057/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0069	Trust: 0.8
title:	Netgear WNR3500L and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177096	Trust: 0.6

sources: JVNDB: JVNDB-2021-017202 // CNNVD: CNNVD-202112-2342

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45528	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017202	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2342	Trust: 0.6
db:	VULMON	id:	CVE-2021-45528	Trust: 0.1

sources: VULMON: CVE-2021-45528 // JVNDB: JVNDB-2021-017202 // CNNVD: CNNVD-202112-2342 // NVD: CVE-2021-45528

REFERENCES

url:	https://kb.netgear.com/000064057/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-psv-2019-0069	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45528	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/120.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-45528 // JVNDB: JVNDB-2021-017202 // CNNVD: CNNVD-202112-2342 // NVD: CVE-2021-45528

SOURCES

db:	VULMON	id:	CVE-2021-45528
db:	JVNDB	id:	JVNDB-2021-017202
db:	CNNVD	id:	CNNVD-202112-2342
db:	NVD	id:	CVE-2021-45528

LAST UPDATE DATE

2024-11-23T22:25:01.451000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45528	date:	2022-01-06T00:00:00
db:	JVNDB	id:	JVNDB-2021-017202	date:	2023-01-10T01:52:00
db:	CNNVD	id:	CNNVD-202112-2342	date:	2022-01-10T00:00:00
db:	NVD	id:	CVE-2021-45528	date:	2024-11-21T06:32:25.807

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45528	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017202	date:	2023-01-10T00:00:00
db:	CNNVD	id:	CNNVD-202112-2342	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45528	date:	2021-12-26T01:15:14.253