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ID

VAR-201709-0592


CVE

CVE-2017-14421


TITLE

D-Link DIR-850L Vulnerabilities related to the use of hard-coded credentials in device firmware

Trust: 0.8

sources: JVNDB: JVNDB-2017-008133

DESCRIPTION

D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of wrgac25_dlink.2013gui_dir850l for the Alphanetworks account upon device reset, which allows remote attackers to obtain root access via a TELNET session. D-Link DIR-850L Device firmware contains a vulnerability related to the use of hard-coded credentials.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. D-LinkDIR-850LREV.B is a wireless router from D-Link. A security vulnerability exists in D-LinkDIR-850LREV.B using FW208WWb02 and previous firmware. This vulnerability is due to the hard-coded password used by the Alphanetworks account. A remote attacker can exploit this vulnerability to gain root privileges with a TELNET session

Trust: 2.34

sources: NVD: CVE-2017-14421 // JVNDB: JVNDB-2017-008133 // CNVD: CNVD-2017-31788 // VULHUB: VHN-105142 // VULMON: CVE-2017-14421

IOT TAXONOMY

category:['IoT', 'Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2017-31788

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-850lscope:lteversion:fw208wwb02

Trust: 1.0

vendor:d linkmodel:dir-850lscope:lteversion:fw208wwb02

Trust: 0.8

vendor:d linkmodel:dir-850l rev.b <=fw208wwb02scope: - version: -

Trust: 0.6

vendor:d linkmodel:dir-850lscope:eqversion:fw208wwb02

Trust: 0.6

sources: CNVD: CNVD-2017-31788 // JVNDB: JVNDB-2017-008133 // CNNVD: CNNVD-201709-574 // NVD: CVE-2017-14421

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2017-14421
value: CRITICAL

Trust: 1.0

NVD: CVE-2017-14421
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2017-31788
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201709-574
value: CRITICAL

Trust: 0.6

VULHUB: VHN-105142
value: HIGH

Trust: 0.1

VULMON: CVE-2017-14421
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2017-14421
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: 1.9

CNVD: CNVD-2017-31788
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

VULHUB: VHN-105142
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: 0.1

nvd@nist.gov: CVE-2017-14421
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-2017-14421
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-2017-31788 // VULHUB: VHN-105142 // VULMON: CVE-2017-14421 // JVNDB: JVNDB-2017-008133 // CNNVD: CNNVD-201709-574 // NVD: CVE-2017-14421

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.9

sources: VULHUB: VHN-105142 // JVNDB: JVNDB-2017-008133 // NVD: CVE-2017-14421

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201709-574

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-201709-574

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2017-008133

PATCH
title:DIR-850Lurl:http://support.dlink.com/ProductInfo.aspx?m=DIR-850L
Trust: 0.8
title:D-Link DIR-850L REV.B Security vulnerabilitiesurl:http://123.124.177.30/web/xxk/bdxqById.tag?id=235001
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2017-008133 // 
            
            
            
            CNNVD: CNNVD-201709-574

EXTERNAL IDS
db:NVDid:CVE-2017-14421
Trust: 3.2
db:JVNDBid:JVNDB-2017-008133
Trust: 0.8
db:CNNVDid:CNNVD-201709-574
Trust: 0.7
db:CNVDid:CNVD-2017-31788
Trust: 0.6
db:VULHUBid:VHN-105142
Trust: 0.1
db:VULMONid:CVE-2017-14421
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2017-31788 // 
            
            
            
            VULHUB: VHN-105142 // 
            
            
            
            VULMON: CVE-2017-14421 // 
            
            
            
            JVNDB: JVNDB-2017-008133 // 
            
            
            
            CNNVD: CNNVD-201709-574 // 
            
            
            
            NVD: CVE-2017-14421

REFERENCES
url:https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html
Trust: 2.6
url:https://nvd.nist.gov/vuln/detail/cve-2017-14421
Trust: 1.4
url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-14421
Trust: 0.8
url:https://cwe.mitre.org/data/definitions/798.html
Trust: 0.1
url:https://nvd.nist.gov
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2017-31788 // 
            
            
            
            VULHUB: VHN-105142 // 
            
            
            
            VULMON: CVE-2017-14421 // 
            
            
            
            JVNDB: JVNDB-2017-008133 // 
            
            
            
            CNNVD: CNNVD-201709-574 // 
            
            
            
            NVD: CVE-2017-14421

SOURCES
db:CNVDid:CNVD-2017-31788
db:VULHUBid:VHN-105142
db:VULMONid:CVE-2017-14421
db:JVNDBid:JVNDB-2017-008133
db:CNNVDid:CNNVD-201709-574
db:NVDid:CVE-2017-14421

LAST UPDATE DATE
2024-11-23T22:22:25.011000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2017-31788date:2017-10-27T00:00:00
db:VULHUBid:VHN-105142date:2017-09-21T00:00:00
db:VULMONid:CVE-2017-14421date:2017-09-21T00:00:00
db:JVNDBid:JVNDB-2017-008133date:2017-10-10T00:00:00
db:CNNVDid:CNNVD-201709-574date:2023-04-27T00:00:00
db:NVDid:CVE-2017-14421date:2024-11-21T03:12:45.427

SOURCES RELEASE DATE
db:CNVDid:CNVD-2017-31788date:2017-10-27T00:00:00
db:VULHUBid:VHN-105142date:2017-09-13T00:00:00
db:VULMONid:CVE-2017-14421date:2017-09-13T00:00:00
db:JVNDBid:JVNDB-2017-008133date:2017-10-10T00:00:00
db:CNNVDid:CNNVD-201709-574date:2017-09-19T00:00:00
db:NVDid:CVE-2017-14421date:2017-09-13T17:29:00.527