Details of VAR-202004-0800

ID

VAR-202004-0800

CVE

CVE-2019-20728

TITLE

plural NETGEAR Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2019-015430

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48. 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 put into a state. NETGEAR R9000, etc. are all wireless routers from NETGEAR. The vulnerability stems from the fact that when the network system or product performs operations on the memory, it does not correctly verify the data boundary, resulting in incorrect read and write operations to other associated memory locations. Attackers can use this vulnerability to cause buffer overflow or heap overflow

Trust: 2.16

sources: NVD: CVE-2019-20728 // JVNDB: JVNDB-2019-015430 // CNVD: CNVD-2021-67656

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-67656

AFFECTED PRODUCTS

vendor:	netgear	model:	rbr50	scope:	lt	version:	2.3.5.30	Trust: 1.6
vendor:	netgear	model:	rbs50	scope:	lt	version:	2.3.5.30	Trust: 1.6
vendor:	netgear	model:	rbk50	scope:	lt	version:	2.3.5.30	Trust: 1.6
vendor:	netgear	model:	r6250	scope:	lt	version:	1.0.4.26	Trust: 1.6
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.1.36	Trust: 1.6
vendor:	netgear	model:	r7900	scope:	lt	version:	1.0.2.10	Trust: 1.6
vendor:	netgear	model:	r8000p	scope:	lt	version:	1.3.0.10	Trust: 1.6
vendor:	netgear	model:	r7900p	scope:	lt	version:	1.3.0.10	Trust: 1.6
vendor:	netgear	model:	rbw30	scope:	lt	version:	2.1.2.6	Trust: 1.6
vendor:	netgear	model:	r6700	scope:	lt	version:	1.0.1.44	Trust: 1.6
vendor:	netgear	model:	r6900	scope:	lt	version:	1.0.1.44	Trust: 1.6
vendor:	netgear	model:	d7800	scope:	lt	version:	1.0.1.34	Trust: 1.6
vendor:	netgear	model:	dm200	scope:	lt	version:	1.0.0.52	Trust: 1.6
vendor:	netgear	model:	r8900	scope:	lt	version:	1.0.3.10	Trust: 1.6
vendor:	netgear	model:	r9000	scope:	lt	version:	1.0.3.10	Trust: 1.6
vendor:	netgear	model:	r8000	scope:	lt	version:	1.0.4.12	Trust: 1.6
vendor:	netgear	model:	d6400	scope:	lt	version:	1.0.0.74	Trust: 1.6
vendor:	netgear	model:	d8500	scope:	lt	version:	1.0.3.39	Trust: 1.6
vendor:	netgear	model:	r7800	scope:	lt	version:	1.0.2.44	Trust: 1.6
vendor:	netgear	model:	r7300dst	scope:	lt	version:	1.0.0.62	Trust: 1.6
vendor:	netgear	model:	r7100lg	scope:	lt	version:	1.0.0.40	Trust: 1.6
vendor:	netgear	model:	r8300	scope:	lt	version:	1.0.2.116	Trust: 1.6
vendor:	netgear	model:	r8500	scope:	lt	version:	1.0.2.116	Trust: 1.6
vendor:	netgear	model:	r7000	scope:	lt	version:	1.0.9.26	Trust: 1.6
vendor:	netgear	model:	r6900p	scope:	lt	version:	1.3.0.20	Trust: 1.6
vendor:	netgear	model:	r7000p	scope:	lt	version:	1.3.0.20	Trust: 1.6
vendor:	netgear	model:	jndr3000	scope:	lt	version:	1.0.0.22	Trust: 1.6
vendor:	netgear	model:	r6300	scope:	lt	version:	1.0.4.24	Trust: 1.0
vendor:	netgear	model:	wndr4500	scope:	lt	version:	1.0.0.54	Trust: 1.0
vendor:	netgear	model:	wndr4300	scope:	lt	version:	1.0.2.98	Trust: 1.0
vendor:	netgear	model:	r6400	scope:	lt	version:	1.0.2.52	Trust: 1.0
vendor:	netgear	model:	wndr3400	scope:	lt	version:	1.0.1.18	Trust: 1.0
vendor:	netgear	model:	wndr3700	scope:	lt	version:	1.0.2.96	Trust: 1.0
vendor:	netgear	model:	d7000	scope:	lt	version:	1.0.0.74	Trust: 1.0
vendor:	netgear	model:	dgnd2200b	scope:	lt	version:	1.0.0.102	Trust: 1.0
vendor:	netgear	model:	wnr3500l	scope:	lt	version:	1.2.0.48	Trust: 1.0
vendor:	netgear	model:	wndr4300	scope:	lt	version:	1.0.0.54	Trust: 1.0
vendor:	netgear	model:	dgn2200	scope:	lt	version:	1.0.0.102	Trust: 1.0
vendor:	netgear	model:	r7500	scope:	lt	version:	1.0.3.26	Trust: 1.0
vendor:	netgear	model:	wnr2000	scope:	lt	version:	1.0.0.64	Trust: 1.0
vendor:	netgear	model:	d6400	scope:	eq	version:	1.0.0.74	Trust: 0.8
vendor:	netgear	model:	d7000	scope:	eq	version:	1.0.0.74	Trust: 0.8
vendor:	netgear	model:	d7800	scope:	eq	version:	1.0.1.34	Trust: 0.8
vendor:	netgear	model:	d8500	scope:	eq	version:	1.0.3.39	Trust: 0.8
vendor:	netgear	model:	dgn2200	scope:	eq	version:	1.0.0.102	Trust: 0.8
vendor:	netgear	model:	dgnd2200b	scope:	eq	version:	1.0.0.102	Trust: 0.8
vendor:	netgear	model:	dm200	scope:	eq	version:	1.0.0.52	Trust: 0.8
vendor:	netgear	model:	jndr3000	scope:	eq	version:	1.0.0.22	Trust: 0.8
vendor:	netgear	model:	rbk50	scope:	eq	version:	2.3.5.30	Trust: 0.8
vendor:	netgear	model:	rbr50	scope:	eq	version:	2.3.5.30	Trust: 0.8
vendor:	netgear	model:	r6400v2	scope:	lt	version:	1.0.2.52	Trust: 0.6
vendor:	netgear	model:	r7500v2	scope:	lt	version:	1.0.3.26	Trust: 0.6
vendor:	netgear	model:	wndr4300v2	scope:	lt	version:	1.0.0.54	Trust: 0.6
vendor:	netgear	model:	wndr4500v3	scope:	lt	version:	1.0.0.54	Trust: 0.6
vendor:	netgear	model:	wnr2000v5	scope:	lt	version:	1.0.0.64	Trust: 0.6
vendor:	netgear	model:	wndr3700v4	scope:	lt	version:	1.0.2.96	Trust: 0.6
vendor:	netgear	model:	wndr4300v1	scope:	lt	version:	1.0.2.98	Trust: 0.6
vendor:	netgear	model:	dgn2200v4	scope:	lt	version:	1.0.0.102	Trust: 0.6
vendor:	netgear	model:	wndr3400v3	scope:	lt	version:	1.0.1.18	Trust: 0.6
vendor:	netgear	model:	wnr3500lv2	scope:	lt	version:	1.2.0.48	Trust: 0.6
vendor:	netgear	model:	d7000v2	scope:	lt	version:	1.0.0.74	Trust: 0.6
vendor:	netgear	model:	dgnd2200bv4	scope:	lt	version:	1.0.0.102	Trust: 0.6
vendor:	netgear	model:	r6300v2	scope:	lt	version:	1.0.4.24	Trust: 0.6

sources: CNVD: CNVD-2021-67656 // JVNDB: JVNDB-2019-015430 // NVD: CVE-2019-20728

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-20728
value:	MEDIUM
Trust: 1.0
cve@mitre.org:	CVE-2019-20728
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2019-015430
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2021-67656
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202004-1339
value:	MEDIUM
Trust: 0.6

nvd@nist.gov:	CVE-2019-20728
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.9
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2019-015430
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
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-2021-67656
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.9
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2019-20728
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	0.8
impactScore:	5.9
version:	3.1
Trust: 1.0
cve@mitre.org:	CVE-2019-20728
baseSeverity:	MEDIUM
baseScore:	6.3
vectorString:	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	LOW
exploitabilityScore:	0.8
impactScore:	5.5
version:	3.0
Trust: 1.0
NVD:	JVNDB-2019-015430
baseSeverity:	MEDIUM
baseScore:	6.7
vectorString:	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
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-2021-67656 // JVNDB: JVNDB-2019-015430 // CNNVD: CNNVD-202004-1339 // NVD: CVE-2019-20728 // NVD: CVE-2019-20728

PROBLEMTYPE DATA

problemtype:

CWE-120

Trust: 1.8

sources: JVNDB: JVNDB-2019-015430 // NVD: CVE-2019-20728

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202004-1339

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202004-1339

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-015430

PATCH

title:	Security Advisory for Post-Authentication Buffer Overflow on Some Routers, Gateways, and WiFi Systems, PSV-2017-315	url:	https://kb.netgear.com/000061199/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2017-315	Trust: 0.8
title:	Patch for Buffer overflow vulnerabilities in multiple NETGEAR products (CNVD-2021-67656)	url:	https://www.cnvd.org.cn/patchInfo/show/289181	Trust: 0.6
title:	Multiple NETGEAR Product Buffer Error Vulnerability Fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=114877	Trust: 0.6

sources: CNVD: CNVD-2021-67656 // JVNDB: JVNDB-2019-015430 // CNNVD: CNNVD-202004-1339

EXTERNAL IDS

db:	NVD	id:	CVE-2019-20728	Trust: 3.0
db:	JVNDB	id:	JVNDB-2019-015430	Trust: 0.8
db:	CNVD	id:	CNVD-2021-67656	Trust: 0.6
db:	CNNVD	id:	CNNVD-202004-1339	Trust: 0.6

sources: CNVD: CNVD-2021-67656 // JVNDB: JVNDB-2019-015430 // CNNVD: CNNVD-202004-1339 // NVD: CVE-2019-20728

REFERENCES

url:	https://nvd.nist.gov/vuln/detail/cve-2019-20728	Trust: 2.0
url:	https://kb.netgear.com/000061199/security-advisory-for-post-authentication-buffer-overflow-on-some-routers-gateways-and-wifi-systems-psv-2017-315	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-20728	Trust: 0.8

sources: CNVD: CNVD-2021-67656 // JVNDB: JVNDB-2019-015430 // CNNVD: CNNVD-202004-1339 // NVD: CVE-2019-20728

SOURCES

db:	CNVD	id:	CNVD-2021-67656
db:	JVNDB	id:	JVNDB-2019-015430
db:	CNNVD	id:	CNNVD-202004-1339
db:	NVD	id:	CVE-2019-20728

LAST UPDATE DATE

2024-11-23T22:51:27.214000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-67656	date:	2021-09-02T00:00:00
db:	JVNDB	id:	JVNDB-2019-015430	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1339	date:	2020-04-26T00:00:00
db:	NVD	id:	CVE-2019-20728	date:	2024-11-21T04:39:12.090

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-67656	date:	2021-09-02T00:00:00
db:	JVNDB	id:	JVNDB-2019-015430	date:	2020-05-19T00:00:00
db:	CNNVD	id:	CNNVD-202004-1339	date:	2020-04-16T00:00:00
db:	NVD	id:	CVE-2019-20728	date:	2020-04-16T20:15:13.210