Details of VAR-202112-2338

ID

VAR-202112-2338

CVE

CVE-2021-45611

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-017557

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects DC112A before 1.0.0.52, R6400 before 1.0.1.68, RAX200 before 1.0.3.106, WNDR3400v3 before 1.0.1.38, XR300 before 1.0.3.68, R8500 before 1.0.2.144, RAX75 before 1.0.3.106, R8300 before 1.0.2.144, and RAX80 before 1.0.3.106. 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 DC112A prior to 1.0.0.52, R6400 prior to 1.0.1.68, RAX200 prior to 1.0.3.106, WNDR3400v3 prior to 1.0.1.38, XR300 prior to 1.0.3.68, R8500 prior to 1.0.2.144, RAX75 prior to 1.0.3.106, R8300 prior to 1.0.2.144, and RAX80 prior to 1.0.3.106

Trust: 1.71

sources: NVD: CVE-2021-45611 // JVNDB: JVNDB-2021-017557 // VULMON: CVE-2021-45611

AFFECTED PRODUCTS

vendor:	netgear	model:	r8500	scope:	lt	version:	1.0.2.144	Trust: 1.0
vendor:	netgear	model:	rax75	scope:	lt	version:	1.0.3.106	Trust: 1.0
vendor:	netgear	model:	dc112a	scope:	lt	version:	1.0.0.52	Trust: 1.0
vendor:	netgear	model:	wndr3400v3	scope:	lt	version:	1.0.1.38	Trust: 1.0
vendor:	netgear	model:	r8300	scope:	lt	version:	1.0.2.144	Trust: 1.0
vendor:	netgear	model:	rax200	scope:	lt	version:	1.0.3.106	Trust: 1.0
vendor:	netgear	model:	xr300	scope:	lt	version:	1.0.3.68	Trust: 1.0
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.68	Trust: 1.0
vendor:	netgear	model:	rax80	scope:	lt	version:	1.0.3.106	Trust: 1.0
vendor:	ネットギア	model:	rax75	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r8500	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r8300	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	rax200	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	wndr3400v3	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	xr300	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:	dc112a	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017557 // NVD: CVE-2021-45611

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45611
value:	CRITICAL
Trust: 1.0
cve@mitre.org:	CVE-2021-45611
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45611
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202112-2407
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-45611
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-45611
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-45611
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
cve@mitre.org:	CVE-2021-45611
baseSeverity:	CRITICAL
baseScore:	9.6
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	6.0
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45611
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/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:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-45611 // JVNDB: JVNDB-2021-017557 // CNNVD: CNNVD-202112-2407 // NVD: CVE-2021-45611 // NVD: CVE-2021-45611

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017557 // NVD: CVE-2021-45611

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2407

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2407

PATCH

title:	Security Advisory for Pre-Authentication Buffer Overflow on Some Routers, PSV-2020-0323	url:	https://kb.netgear.com/000064488/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0323	Trust: 0.8
title:	Netgear NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177128	Trust: 0.6

sources: JVNDB: JVNDB-2021-017557 // CNNVD: CNNVD-202112-2407

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45611	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017557	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2407	Trust: 0.6
db:	VULMON	id:	CVE-2021-45611	Trust: 0.1

sources: VULMON: CVE-2021-45611 // JVNDB: JVNDB-2021-017557 // CNNVD: CNNVD-202112-2407 // NVD: CVE-2021-45611

REFERENCES

url:	https://kb.netgear.com/000064488/security-advisory-for-pre-authentication-buffer-overflow-on-some-routers-psv-2020-0323	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45611	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-2021-45611 // JVNDB: JVNDB-2021-017557 // CNNVD: CNNVD-202112-2407 // NVD: CVE-2021-45611

SOURCES

db:	VULMON	id:	CVE-2021-45611
db:	JVNDB	id:	JVNDB-2021-017557
db:	CNNVD	id:	CNNVD-202112-2407
db:	NVD	id:	CVE-2021-45611

LAST UPDATE DATE

2024-11-23T22:05:04.763000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45611	date:	2022-01-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-017557	date:	2023-01-25T05:23:00
db:	CNNVD	id:	CNNVD-202112-2407	date:	2022-01-10T00:00:00
db:	NVD	id:	CVE-2021-45611	date:	2024-11-21T06:32:39.943

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45611	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017557	date:	2023-01-25T00:00:00
db:	CNNVD	id:	CNNVD-202112-2407	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45611	date:	2021-12-26T01:15:18.223