Details of VAR-201911-0638

ID

VAR-201911-0638

CVE

CVE-2019-18852

TITLE

plural D-Link Vulnerability in using hard-coded credentials on device

Trust: 0.8

sources: JVNDB: JVNDB-2019-011884

DESCRIPTION

Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00. plural D-Link The device is vulnerable to the use of hard-coded credentials.Information is acquired, information is falsified, and denial of service (DoS) May be in a state. D-Link DIR-600 B1 and so on are all wireless routers from D-Link of Taiwan, China. A vulnerability management management vulnerability exists in several D-Link products. The vulnerability stems from a program with a hard-coded account that an attacker can use to obtain a remote /bin/sh shell and execute commands

Trust: 2.16

sources: NVD: CVE-2019-18852 // JVNDB: JVNDB-2019-011884 // CNVD: CNVD-2019-41500

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2019-41500

AFFECTED PRODUCTS

vendor:	d link	model:	dir-600 b1	scope:	eq	version:	2.01	Trust: 1.4
vendor:	d link	model:	dir-890l a1	scope:	eq	version:	1.03	Trust: 1.4
vendor:	d link	model:	dir-615 j1	scope:	eq	version:	100	Trust: 1.4
vendor:	d link	model:	dir-645 a1	scope:	eq	version:	1.03	Trust: 1.4
vendor:	d link	model:	dir-815 a1	scope:	eq	version:	1.01	Trust: 1.4
vendor:	d link	model:	dir-823 a1	scope:	eq	version:	1.01	Trust: 1.4
vendor:	d link	model:	dir-842 c1	scope:	eq	version:	3.00	Trust: 1.4
vendor:	dlink	model:	dir-615 j1	scope:	eq	version:	100	Trust: 1.0
vendor:	dlink	model:	dir-823 a1	scope:	eq	version:	1.01	Trust: 1.0
vendor:	dlink	model:	dir-815 a1	scope:	eq	version:	1.01	Trust: 1.0
vendor:	dlink	model:	dir-890l a1	scope:	eq	version:	1.03	Trust: 1.0
vendor:	dlink	model:	dir-645 a1	scope:	eq	version:	1.03	Trust: 1.0
vendor:	dlink	model:	dir-842 c1	scope:	eq	version:	3.00	Trust: 1.0
vendor:	dlink	model:	dir-600 b1	scope:	eq	version:	2.01	Trust: 1.0

sources: CNVD: CNVD-2019-41500 // JVNDB: JVNDB-2019-011884 // NVD: CVE-2019-18852

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2019-18852
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2019-18852
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2019-41500
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201911-503
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2019-18852
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2019-41500
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2019-18852
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2019-18852
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	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: CNVD: CNVD-2019-41500 // JVNDB: JVNDB-2019-011884 // CNNVD: CNNVD-201911-503 // NVD: CVE-2019-18852

PROBLEMTYPE DATA

problemtype:	CWE-319	Trust: 1.0
problemtype:	CWE-798	Trust: 0.8

sources: JVNDB: JVNDB-2019-011884 // NVD: CVE-2019-18852

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201911-503

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-201911-503

CONFIGURATIONS

sources: JVNDB: JVNDB-2019-011884

PATCH

title:

Top Page

url:

https://www.dlink.com/en/consumer

Trust: 0.8

sources: JVNDB: JVNDB-2019-011884

EXTERNAL IDS

db:	NVD	id:	CVE-2019-18852	Trust: 3.0
db:	JVNDB	id:	JVNDB-2019-011884	Trust: 0.8
db:	CNVD	id:	CNVD-2019-41500	Trust: 0.6
db:	CNNVD	id:	CNNVD-201911-503	Trust: 0.6

sources: CNVD: CNVD-2019-41500 // JVNDB: JVNDB-2019-011884 // CNNVD: CNNVD-201911-503 // NVD: CVE-2019-18852

REFERENCES

url:	https://github.com/chandlerchin/dlink_vuls/blob/master/a%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20dlink%20routers.pdf	Trust: 3.0
url:	https://nvd.nist.gov/vuln/detail/cve-2019-18852	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-18852	Trust: 0.8

sources: CNVD: CNVD-2019-41500 // JVNDB: JVNDB-2019-011884 // CNNVD: CNNVD-201911-503 // NVD: CVE-2019-18852

SOURCES

db:	CNVD	id:	CNVD-2019-41500
db:	JVNDB	id:	JVNDB-2019-011884
db:	CNNVD	id:	CNNVD-201911-503
db:	NVD	id:	CVE-2019-18852

LAST UPDATE DATE

2024-11-23T22:41:18.015000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2019-41500	date:	2019-11-20T00:00:00
db:	JVNDB	id:	JVNDB-2019-011884	date:	2019-11-20T00:00:00
db:	CNNVD	id:	CNNVD-201911-503	date:	2020-08-25T00:00:00
db:	NVD	id:	CVE-2019-18852	date:	2024-11-21T04:33:42.843

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2019-41500	date:	2019-11-20T00:00:00
db:	JVNDB	id:	JVNDB-2019-011884	date:	2019-11-20T00:00:00
db:	CNNVD	id:	CNNVD-201911-503	date:	2019-11-11T00:00:00
db:	NVD	id:	CVE-2019-18852	date:	2019-11-11T14:15:10.697