Details of VAR-202112-2196

ID

VAR-202112-2196

CVE

CVE-2021-45525

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-017283

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8, R6900P before 1.3.2.124, R7000 before 1.0.9.88, R7000P before 1.3.2.124, R7900 before 1.0.3.18, R7900P before 1.4.1.50, R8000 before 1.0.4.46, R8000P before 1.4.1.50, RAX80 before 1.0.1.56, 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 EX7000 prior to 1.0.1.80, R6400 prior to 1.0.1.50, R6400v2 prior to 1.0.4.118, R6700 prior to 1.0.2.8, R6700v3 prior to 1.0.4.118, R6900 prior to 1.0.2.8, R6900P prior to 1.3.2.124, R7000 prior to 1.0.9.88, R7000P prior to 1.3.2.124, R7900 prior to 1.0.3.18, R7900P prior to 1.4.1.50, R8000 prior to 1.0.4.46, R8000P prior to 1.4.1.50, RAX80 prior to 1.0.1.56, and WNR3500Lv2 prior to 1.2.0.62

Trust: 1.71

sources: NVD: CVE-2021-45525 // JVNDB: JVNDB-2021-017283 // VULMON: CVE-2021-45525

AFFECTED PRODUCTS

vendor:	netgear	model:	r6900p	scope:	lt	version:	1.3.2.124	Trust: 1.0
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:	wnr3500lv2	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	r7900p	scope:	lt	version:	1.4.1.50	Trust: 1.0
vendor:	netgear	model:	r6900	scope:	lt	version:	1.0.2.8	Trust: 1.0
vendor:	netgear	model:	r6400v2	scope:	lt	version:	1.0.4.118	Trust: 1.0
vendor:	netgear	model:	r6700v3	scope:	lt	version:	1.0.4.118	Trust: 1.0
vendor:	netgear	model:	ex7000	scope:	lt	version:	1.0.1.80	Trust: 1.0
vendor:	netgear	model:	rax80	scope:	lt	version:	1.0.1.56	Trust: 1.0
vendor:	netgear	model:	r6700	scope:	lt	version:	1.0.2.8	Trust: 1.0
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.3.2.124	Trust: 1.0
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.50	Trust: 1.0
vendor:	ネットギア	model:	r7000p	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:	ex7000	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6700	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:	r7000	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:	r6700v3	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6400v2	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6900	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017283 // NVD: CVE-2021-45525

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45525
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45525
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-45525
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2343
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45525
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45525
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-2021-45525
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2021-45525
baseSeverity:	MEDIUM
baseScore:	6.1
vectorString:	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	NONE
exploitabilityScore:	0.9
impactScore:	5.2
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45525
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-45525 // JVNDB: JVNDB-2021-017283 // CNNVD: CNNVD-202112-2343 // NVD: CVE-2021-45525 // NVD: CVE-2021-45525

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017283 // NVD: CVE-2021-45525

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2343

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2343

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers and Extenders, PSV-2018-0618	url:	https://kb.netgear.com/000064052/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Extenders-PSV-2018-0618	Trust: 0.8
title:	Netgear WNR3500L and NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177097	Trust: 0.6

sources: JVNDB: JVNDB-2021-017283 // CNNVD: CNNVD-202112-2343

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45525	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017283	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2343	Trust: 0.6
db:	VULMON	id:	CVE-2021-45525	Trust: 0.1

sources: VULMON: CVE-2021-45525 // JVNDB: JVNDB-2021-017283 // CNNVD: CNNVD-202112-2343 // NVD: CVE-2021-45525

REFERENCES

url:	https://kb.netgear.com/000064052/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-and-extenders-psv-2018-0618	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45525	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-2021-45525 // JVNDB: JVNDB-2021-017283 // CNNVD: CNNVD-202112-2343 // NVD: CVE-2021-45525

SOURCES

db:	VULMON	id:	CVE-2021-45525
db:	JVNDB	id:	JVNDB-2021-017283
db:	CNNVD	id:	CNNVD-202112-2343
db:	NVD	id:	CVE-2021-45525

LAST UPDATE DATE

2024-11-23T22:54:45.016000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45525	date:	2022-01-07T00:00:00
db:	JVNDB	id:	JVNDB-2021-017283	date:	2023-01-13T05:03:00
db:	CNNVD	id:	CNNVD-202112-2343	date:	2022-01-10T00:00:00
db:	NVD	id:	CVE-2021-45525	date:	2024-11-21T06:32:25.277

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45525	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017283	date:	2023-01-13T00:00:00
db:	CNNVD	id:	CNNVD-202112-2343	date:	2021-12-26T00:00:00
db:	NVD	id:	CVE-2021-45525	date:	2021-12-26T01:15:14.107