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ID

VAR-201707-0328


CVE

CVE-2017-2236


TITLE

Hard-coded credentials vulnerability in Toshiba Lighting & Technology Corporation Home gateway

Trust: 0.8

sources: JVNDB: JVNDB-2017-000149

DESCRIPTION

Toshiba Home gateway HEM-GW16A firmware HEM-GW16A-FW-V1.2.0 and earlier, Toshiba Home gateway HEM-GW26A firmware HEM-GW26A-FW-V1.2.0 and earlier uses hard-coded credentials, which may allow attackers to perform operations on device with administrative privileges. Yutaka Kokubu of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.The device is operated with the administrative privilege. There is a hard-coded voucher vulnerability in TOSHIBAHomeGatewayHEM-GW26A using HEM-GW26A-FW-V1.2.0 and previous firmware and TOSHIBAHomeGatewayHEM-GW16A using HEM-GW16A-FW-V1.2.0 and previous firmware. An attacker could exploit the vulnerability to perform operations with administrator privileges

Trust: 2.25

sources: NVD: CVE-2017-2236 // JVNDB: JVNDB-2017-000149 // CNVD: CNVD-2017-12982 // VULHUB: VHN-110439

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

category:['network device']sub_category:gateway

Trust: 0.1

sources: OTHER: None // CNVD: CNVD-2017-12982

AFFECTED PRODUCTS

vendor:toshibamodel:hem-gw16ascope:lteversion:1.2.0

Trust: 1.0

vendor:toshibamodel:hem-gw26ascope:lteversion:1.2.0

Trust: 1.0

vendor:toshiba lightingmodel:home gateway hem-gw16ascope:lteversion:firmware hem-gw16a-fw-v1.2.0

Trust: 0.8

vendor:toshiba lightingmodel:home gateway hem-gw26ascope:lteversion:firmware hem-gw26a-fw-v1.2.0

Trust: 0.8

vendor:toshibamodel:home gateway hem-gw26a <=hem-gw26a-fw-v1.2.0scope: - version: -

Trust: 0.6

vendor:toshibamodel:home gateway hem-gw16a <=hem-gw16a-fw-v1.2.0scope: - version: -

Trust: 0.6

vendor:toshibamodel:hem-gw16ascope:eqversion:1.2.0

Trust: 0.6

vendor:toshibamodel:hem-gw26ascope:eqversion:1.2.0

Trust: 0.6

sources: CNVD: CNVD-2017-12982 // JVNDB: JVNDB-2017-000149 // CNNVD: CNNVD-201706-1245 // NVD: CVE-2017-2236

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2017-2236
value: CRITICAL

Trust: 1.0

IPA: JVNDB-2017-000149
value: HIGH

Trust: 0.8

CNVD: CNVD-2017-12982
value: HIGH

Trust: 0.6

CNNVD: CNNVD-201706-1245
value: HIGH

Trust: 0.6

VULHUB: VHN-110439
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2017-2236
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

IPA: JVNDB-2017-000149
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2017-12982
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-110439
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2017-2236
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: 3.9
impactScore: 5.9
version: 3.0

Trust: 1.0

IPA: JVNDB-2017-000149
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: CNVD: CNVD-2017-12982 // VULHUB: VHN-110439 // JVNDB: JVNDB-2017-000149 // CNNVD: CNNVD-201706-1245 // NVD: CVE-2017-2236

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.1

problemtype:CWE-264

Trust: 0.8

sources: VULHUB: VHN-110439 // JVNDB: JVNDB-2017-000149 // NVD: CVE-2017-2236

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201706-1245

TYPE

lack of information

Trust: 0.6

sources: CNNVD: CNNVD-201706-1245

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2017-000149

PATCH
title:Toshiba Lighting & Technology Corporation websiteurl:http://www.tlt.co.jp/tlt/information/seihin/notice/defect/20170626/20170626.htm
Trust: 0.8
title:Patch for hardcoded vulnerabilities in ToshibaHomegatewayHEM-GW16A firmwareurl:https://www.cnvd.org.cn/patchInfo/show/97436
Trust: 0.6
title:TOSHIBA Home gateway HEM-GW26A  and HEM-GW16A Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=71380
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2017-12982 // 
            
            
            
            JVNDB: JVNDB-2017-000149 // 
            
            
            
            CNNVD: CNNVD-201706-1245

EXTERNAL IDS
db:NVDid:CVE-2017-2236
Trust: 3.2
db:JVNid:JVN85901441
Trust: 3.1
db:JVNDBid:JVNDB-2017-000149
Trust: 1.4
db:CNNVDid:CNNVD-201706-1245
Trust: 0.7
db:CNVDid:CNVD-2017-12982
Trust: 0.6
db:OTHERid:NONE
Trust: 0.1
db:VULHUBid:VHN-110439
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2017-12982 // 
            
            
            
            VULHUB: VHN-110439 // 
            
            
            
            JVNDB: JVNDB-2017-000149 // 
            
            
            
            CNNVD: CNNVD-201706-1245 // 
            
            
            
            NVD: CVE-2017-2236

REFERENCES
url:http://jvn.jp/en/jp/jvn85901441/index.html
Trust: 2.5
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-2236
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2017-2236
Trust: 0.8
url:http://jvn.jp/en/jp/jvn85901441/
Trust: 0.6
url:http://jvndb.jvn.jp/en/contents/2017/jvndb-2017-000149.html
Trust: 0.6
url:https://ieeexplore.ieee.org/abstract/document/10769424
Trust: 0.1
sources:
            
            
            OTHER: None // 
            
            
            
            CNVD: CNVD-2017-12982 // 
            
            
            
            VULHUB: VHN-110439 // 
            
            
            
            JVNDB: JVNDB-2017-000149 // 
            
            
            
            CNNVD: CNNVD-201706-1245 // 
            
            
            
            NVD: CVE-2017-2236

CREDITS
Yutaka Kokubu of Mitsui Bussan Secure Directions, Inc.
Trust: 0.6
sources:
            
            
            CNNVD: CNNVD-201706-1245

SOURCES
db:OTHERid: - 
db:CNVDid:CNVD-2017-12982
db:VULHUBid:VHN-110439
db:JVNDBid:JVNDB-2017-000149
db:CNNVDid:CNNVD-201706-1245
db:NVDid:CVE-2017-2236

LAST UPDATE DATE
2025-04-20T21:11:10.198000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2017-12982date:2017-07-06T00:00:00
db:VULHUBid:VHN-110439date:2017-07-14T00:00:00
db:JVNDBid:JVNDB-2017-000149date:2018-02-14T00:00:00
db:CNNVDid:CNNVD-201706-1245date:2017-07-10T00:00:00
db:NVDid:CVE-2017-2236date:2025-04-20T01:37:25.860

SOURCES RELEASE DATE
db:CNVDid:CNVD-2017-12982date:2017-07-06T00:00:00
db:VULHUBid:VHN-110439date:2017-07-07T00:00:00
db:JVNDBid:JVNDB-2017-000149date:2017-06-28T00:00:00
db:CNNVDid:CNNVD-201706-1245date:2017-06-27T00:00:00
db:NVDid:CVE-2017-2236date:2017-07-07T13:29:01.270