Details of VAR-202004-1651

ID

VAR-202004-1651

CVE

CVE-2018-21164

TITLE

NETGEAR WNDR3700 and R6220 operating system command injection vulnerability

Trust: 1.2

sources: CNVD: CNVD-2021-52567 // CNNVD: CNNVD-202004-2037

DESCRIPTION

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6220 before 1.1.0.64 and WNDR3700v5 before 1.1.0.54. NETGEAR R6220 and WNDR3700v5 On the device OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. Both NETGEAR WNDR3700 and NETGEAR R6220 are wireless routers from NETGEAR. The vulnerability stems from the fact that the network system or product does not correctly filter the special characters, commands, etc. in the process of constructing the executable command of the operating system by external input data. Attackers can use this vulnerability to execute illegal operating system commands. This affects R6220 prior to 1.1.0.64 and WNDR3700v5 prior to 1.1.0.54

Trust: 2.25

sources: NVD: CVE-2018-21164 // JVNDB: JVNDB-2018-016418 // CNVD: CNVD-2021-52567 // VULMON: CVE-2018-21164

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-52567

AFFECTED PRODUCTS

vendor:	netgear	model:	r6220	scope:	lt	version:	1.1.0.64	Trust: 1.6
vendor:	netgear	model:	wndr3700	scope:	lt	version:	1.1.0.54	Trust: 1.0
vendor:	netgear	model:	r6220	scope:	eq	version:	1.1.0.64	Trust: 0.8
vendor:	netgear	model:	wndr3700	scope:	eq	version:	1.1.0.54	Trust: 0.8
vendor:	netgear	model:	wndr3700v5	scope:	lt	version:	1.1.0.54	Trust: 0.6

sources: CNVD: CNVD-2021-52567 // JVNDB: JVNDB-2018-016418 // NVD: CVE-2018-21164

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-21164
value:	HIGH
Trust: 1.0
cve@mitre.org:	CVE-2018-21164
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2018-016418
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-52567
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-2037
value:	HIGH
Trust: 0.6
VULMON:	CVE-2018-21164
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2018-21164
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: 1.1
NVD:	JVNDB-2018-016418
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:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2021-52567
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: 0.6

nvd@nist.gov:	CVE-2018-21164
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-2018-21164
baseSeverity:	MEDIUM
baseScore:	6.8
vectorString:	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.9
impactScore:	5.9
version:	3.0
Trust: 1.0
NVD:	JVNDB-2018-016418
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: CNVD: CNVD-2021-52567 // VULMON: CVE-2018-21164 // JVNDB: JVNDB-2018-016418 // CNNVD: CNNVD-202004-2037 // NVD: CVE-2018-21164 // NVD: CVE-2018-21164

PROBLEMTYPE DATA

problemtype:

CWE-78

Trust: 1.8

sources: JVNDB: JVNDB-2018-016418 // NVD: CVE-2018-21164

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202004-2037

TYPE

operating system commend injection

Trust: 0.6

sources: CNNVD: CNNVD-202004-2037

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-016418

PATCH

title:	Security Advisory for Post-Authentication Command Injection on Some Routers, PSV-2017-3171	url:	https://kb.netgear.com/000055195/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2017-3171	Trust: 0.8
title:	Patch for NETGEAR WNDR3700 and R6220 operating system command injection vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/279986	Trust: 0.6
title:	NETGEAR WNDR3700 and NETGEAR R6220 Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=116792	Trust: 0.6

sources: CNVD: CNVD-2021-52567 // JVNDB: JVNDB-2018-016418 // CNNVD: CNNVD-202004-2037

EXTERNAL IDS

db:	NVD	id:	CVE-2018-21164	Trust: 3.1
db:	JVNDB	id:	JVNDB-2018-016418	Trust: 0.8
db:	CNVD	id:	CNVD-2021-52567	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-2037	Trust: 0.6
db:	VULMON	id:	CVE-2018-21164	Trust: 0.1

sources: CNVD: CNVD-2021-52567 // VULMON: CVE-2018-21164 // JVNDB: JVNDB-2018-016418 // CNNVD: CNNVD-202004-2037 // NVD: CVE-2018-21164

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2018-21164	Trust: 2.0
url:	https://kb.netgear.com/000055195/security-advisory-for-post-authentication-command-injection-on-some-routers-psv-2017-3171	Trust: 1.7
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-21164	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/78.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-52567 // VULMON: CVE-2018-21164 // JVNDB: JVNDB-2018-016418 // CNNVD: CNNVD-202004-2037 // NVD: CVE-2018-21164

SOURCES

db:	CNVD	id:	CNVD-2021-52567
db:	VULMON	id:	CVE-2018-21164
db:	JVNDB	id:	JVNDB-2018-016418
db:	CNNVD	id:	CNNVD-202004-2037
db:	NVD	id:	CVE-2018-21164

LAST UPDATE DATE

2024-11-23T22:55:10.179000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-52567	date:	2021-07-20T00:00:00
db:	VULMON	id:	CVE-2018-21164	date:	2020-05-01T00:00:00
db:	JVNDB	id:	JVNDB-2018-016418	date:	2020-06-03T00:00:00
db:	CNNVD	id:	CNNVD-202004-2037	date:	2020-05-07T00:00:00
db:	NVD	id:	CVE-2018-21164	date:	2024-11-21T04:03:03.587

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-52567	date:	2020-07-20T00:00:00
db:	VULMON	id:	CVE-2018-21164	date:	2020-04-23T00:00:00
db:	JVNDB	id:	JVNDB-2018-016418	date:	2020-06-03T00:00:00
db:	CNNVD	id:	CNNVD-202004-2037	date:	2020-04-23T00:00:00
db:	NVD	id:	CVE-2018-21164	date:	2020-04-23T22:15:12.397