Details of VAR-202112-2375

ID

VAR-202112-2375

CVE

CVE-2021-45573

TITLE

plural NETGEAR Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017105

DESCRIPTION

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62. plural NETGEAR 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. This affects R6260 prior to 1.1.0.76, R6800 prior to 1.2.0.62, R6700v2 prior to 1.2.0.62, R6900v2 prior to 1.2.0.62, R7450 prior to 1.2.0.62, AC2100 prior to 1.2.0.62, AC2400 prior to 1.2.0.62, and AC2600 prior to 1.2.0.62

Trust: 1.71

sources: NVD: CVE-2021-45573 // JVNDB: JVNDB-2021-017105 // VULMON: CVE-2021-45573

AFFECTED PRODUCTS

vendor:	netgear	model:	r6800	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	r6900	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	r6260	scope:	lt	version:	1.1.0.76	Trust: 1.0
vendor:	netgear	model:	ac2600	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	ac2100	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	r6700	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	r7450	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	netgear	model:	ac2400	scope:	lt	version:	1.2.0.62	Trust: 1.0
vendor:	ネットギア	model:	r7450	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6260	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	ac2600	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	ac2400	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6900	scope:	-	version:	-	Trust: 0.8
vendor:	ネットギア	model:	r6800	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:	ac2100	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2021-017105 // NVD: CVE-2021-45573

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-45573
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2021-45573
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-45573
value:	HIGH
Trust: 0.8
CNNVD:	CNNVD-202112-2304
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-45573
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-45573
severity:	MEDIUM
baseScore:	5.8
vectorString:	AV:A/AC:L/AU:N/C:P/I:P/A:P
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	6.5
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-45573
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
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-2021-45573
baseSeverity:	HIGH
baseScore:	8.3
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	LOW
exploitabilityScore:	2.8
impactScore:	5.5
version:	3.1
Trust: 1.0
NVD:	CVE-2021-45573
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT 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-2021-45573 // JVNDB: JVNDB-2021-017105 // CNNVD: CNNVD-202112-2304 // NVD: CVE-2021-45573 // NVD: CVE-2021-45573

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-017105 // NVD: CVE-2021-45573

THREAT TYPE

remote or local

Trust: 0.6

sources: CNNVD: CNNVD-202112-2304

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202112-2304

PATCH

title:	Security Advisory for Post-Authentication Command Injection on Some WiFi Systems, PSV-2020-0081	url:	https://kb.netgear.com/000064095/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0081	Trust: 0.8
title:	Netgear NETGEAR Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=175994	Trust: 0.6

sources: JVNDB: JVNDB-2021-017105 // CNNVD: CNNVD-202112-2304

EXTERNAL IDS

db:	NVD	id:	CVE-2021-45573	Trust: 3.3
db:	JVNDB	id:	JVNDB-2021-017105	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-2304	Trust: 0.6
db:	VULMON	id:	CVE-2021-45573	Trust: 0.1

sources: VULMON: CVE-2021-45573 // JVNDB: JVNDB-2021-017105 // CNNVD: CNNVD-202112-2304 // NVD: CVE-2021-45573

REFERENCES

url:	https://kb.netgear.com/000064095/security-advisory-for-post-authentication-command-injection-on-some-wifi-systems-psv-2020-0081	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-45573	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-2021-45573 // JVNDB: JVNDB-2021-017105 // CNNVD: CNNVD-202112-2304 // NVD: CVE-2021-45573

SOURCES

db:	VULMON	id:	CVE-2021-45573
db:	JVNDB	id:	JVNDB-2021-017105
db:	CNNVD	id:	CNNVD-202112-2304
db:	NVD	id:	CVE-2021-45573

LAST UPDATE DATE

2024-11-23T22:10:56.755000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-45573	date:	2022-01-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-017105	date:	2023-01-04T06:52:00
db:	CNNVD	id:	CNNVD-202112-2304	date:	2022-01-06T00:00:00
db:	NVD	id:	CVE-2021-45573	date:	2024-11-21T06:32:33.547

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-45573	date:	2021-12-26T00:00:00
db:	JVNDB	id:	JVNDB-2021-017105	date:	2023-01-04T00:00:00
db:	CNNVD	id:	CNNVD-202112-2304	date:	2021-12-25T00:00:00
db:	NVD	id:	CVE-2021-45573	date:	2021-12-26T01:15:16.463