Details of VAR-202108-1629

ID

VAR-202108-1629

CVE

CVE-2021-38523

TITLE

NETGEAR R6400 Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-010479

DESCRIPTION

NETGEAR R6400 devices before 1.0.1.70 are affected by a stack-based buffer overflow by an authenticated user. NETGEAR R6400 The device contains a vulnerability related to out-of-bounds writes.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-2021-38523 // JVNDB: JVNDB-2021-010479 // VULMON: CVE-2021-38523

AFFECTED PRODUCTS

vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.70	Trust: 1.0
vendor:	ネットギア	model:	r6400	scope:	eq	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6400	scope:	eq	version:	r6400 firmware 1.0.1.70	Trust: 0.8

sources: JVNDB: JVNDB-2021-010479 // NVD: CVE-2021-38523

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-38523
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-38523
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-38523
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202108-1026
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-38523
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-38523
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-2021-38523
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-2021-38523
baseSeverity:	MEDIUM
baseScore:	6.9
vectorString:	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	CHANGED
confidentialityImpact:	NONE
integrityImpact:	LOW
availabilityImpact:	HIGH
exploitabilityScore:	1.7
impactScore:	4.7
version:	3.1
Trust: 1.0
NVD:	CVE-2021-38523
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-2021-38523 // JVNDB: JVNDB-2021-010479 // CNNVD: CNNVD-202108-1026 // NVD: CVE-2021-38523 // NVD: CVE-2021-38523

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-010479 // NVD: CVE-2021-38523

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1026

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202108-1026

PATCH

title:	Security Advisory for Post-Authentication Stack Overflow on R6400, PSV-2019-0166	url:	https://kb.netgear.com/000063771/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-R6400-PSV-2019-0166	Trust: 0.8
title:	NETGEAR R6400 Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159402	Trust: 0.6

sources: JVNDB: JVNDB-2021-010479 // CNNVD: CNNVD-202108-1026

EXTERNAL IDS

db:	NVD	id:	CVE-2021-38523	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-010479	Trust: 0.8
db:	CNNVD	id:	CNNVD-202108-1026	Trust: 0.6
db:	VULMON	id:	CVE-2021-38523	Trust: 0.1

sources: VULMON: CVE-2021-38523 // JVNDB: JVNDB-2021-010479 // CNNVD: CNNVD-202108-1026 // NVD: CVE-2021-38523

REFERENCES

url:	https://kb.netgear.com/000063771/security-advisory-for-post-authentication-stack-overflow-on-r6400-psv-2019-0166	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-38523	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/787.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-38523 // JVNDB: JVNDB-2021-010479 // CNNVD: CNNVD-202108-1026 // NVD: CVE-2021-38523

SOURCES

db:	VULMON	id:	CVE-2021-38523
db:	JVNDB	id:	JVNDB-2021-010479
db:	CNNVD	id:	CNNVD-202108-1026
db:	NVD	id:	CVE-2021-38523

LAST UPDATE DATE

2024-08-14T14:55:53.140000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-38523	date:	2021-08-19T00:00:00
db:	JVNDB	id:	JVNDB-2021-010479	date:	2022-07-01T09:17:00
db:	CNNVD	id:	CNNVD-202108-1026	date:	2021-08-20T00:00:00
db:	NVD	id:	CVE-2021-38523	date:	2021-08-19T12:08:04.950

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-38523	date:	2021-08-11T00:00:00
db:	JVNDB	id:	JVNDB-2021-010479	date:	2022-07-01T00:00:00
db:	CNNVD	id:	CNNVD-202108-1026	date:	2021-08-10T00:00:00
db:	NVD	id:	CVE-2021-38523	date:	2021-08-11T00:15:59.743