Details of VAR-202112-2340

ID

VAR-202112-2340

CVE

CVE-2021-45609

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-017555

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P before 1.3.2.132, and R6900P before 1.3.2.132. 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 D8500 prior to 1.0.3.58, R6250 prior to 1.0.4.48, R7000 prior to 1.0.11.116, R7100LG prior to 1.0.0.64, R7900 prior to 1.0.4.38, R8300 prior to 1.0.2.144, R8500 prior to 1.0.2.144, XR300 prior to 1.0.3.68, R7000P prior to 1.3.2.132, and R6900P prior to 1.3.2.132

Trust: 1.71

sources: NVD: CVE-2021-45609 // JVNDB: JVNDB-2021-017555 // VULMON: CVE-2021-45609

AFFECTED PRODUCTS

vendor:	netgear	model:	r8500	scope:	lt	version:	1.0.2.144	Trust: 1.0
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.3.2.132	Trust: 1.0
vendor:	netgear	model:	r7900	scope:	lt	version:	1.0.4.38	Trust: 1.0
vendor:	netgear	model:	r6250	scope:	lt	version:	1.0.4.48	Trust: 1.0
vendor:	netgear	model:	r6900p	scope:	lt	version:	1.3.2.132	Trust: 1.0
vendor:	netgear	model:	r7100lg	scope:	lt	version:	1.0.0.64	Trust: 1.0
vendor:	netgear	model:	d8500	scope:	lt	version:	1.0.3.58	Trust: 1.0
vendor:	netgear	model:	r8300	scope:	lt	version:	1.0.2.144	Trust: 1.0
vendor:	netgear	model:	xr300	scope:	lt	version:	1.0.3.68	Trust: 1.0
vendor:	netgear	model:	r7000	scope:	lt	version:	1.0.11.116	Trust: 1.0
vendor:	ネットギア	model:	r7100lg	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:	r6250	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:	d8500	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:	xr300	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6900p	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r7000p	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017555 // NVD: CVE-2021-45609

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45609
value:	CRITICAL
Trust: 1.0
cve@mitre.org:	CVE-2021-45609
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2021-45609
value:	CRITICAL
Trust: 0.8
CNNVD:	CNNVD-202112-2403
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-45609
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-45609
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-2021-45609
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-2021-45609
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-2021-45609
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-2021-45609 // JVNDB: JVNDB-2021-017555 // CNNVD: CNNVD-202112-2403 // NVD: CVE-2021-45609 // NVD: CVE-2021-45609

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017555 // NVD: CVE-2021-45609

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2403

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2403

PATCH

title:	Security Advisory for Pre-Authentication Buffer Overflow on Some Routers, PSV-2020-0274	url:	https://kb.netgear.com/000064483/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0274	Trust: 0.8
title:	Netgear NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177124	Trust: 0.6

sources: JVNDB: JVNDB-2021-017555 // CNNVD: CNNVD-202112-2403

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45609	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017555	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2403	Trust: 0.6
db:	VULMON	id:	CVE-2021-45609	Trust: 0.1

sources: VULMON: CVE-2021-45609 // JVNDB: JVNDB-2021-017555 // CNNVD: CNNVD-202112-2403 // NVD: CVE-2021-45609

REFERENCES

url:	https://kb.netgear.com/000064483/security-advisory-for-pre-authentication-buffer-overflow-on-some-routers-psv-2020-0274	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45609	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-2021-45609 // JVNDB: JVNDB-2021-017555 // CNNVD: CNNVD-202112-2403 // NVD: CVE-2021-45609

SOURCES

db:	VULMON	id:	CVE-2021-45609
db:	JVNDB	id:	JVNDB-2021-017555
db:	CNNVD	id:	CNNVD-202112-2403
db:	NVD	id:	CVE-2021-45609

LAST UPDATE DATE

2024-11-23T22:05:04.739000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45609	date:	2022-01-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-017555	date:	2023-01-25T05:22:00
db:	CNNVD	id:	CNNVD-202112-2403	date:	2022-01-10T00:00:00
db:	NVD	id:	CVE-2021-45609	date:	2024-11-21T06:32:39.577

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45609	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017555	date:	2023-01-25T00:00:00
db:	CNNVD	id:	CNNVD-202112-2403	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45609	date:	2021-12-26T01:15:18.130