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ID

VAR-201707-0489


CVE

CVE-2017-11519


TITLE

TP-Link Archer C9 of passwd_recovery.lua Vulnerable to resetting admin password

Trust: 0.8

sources: JVNDB: JVNDB-2017-006015

DESCRIPTION

passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in C9(UN)_V2_170511. TP-LinkArcherC9 (UN) is a wireless router product of China TP-LINK. A security vulnerability exists in the passwd_recovery.lua file in the TP-LinkArcherC9(UN) V2_160517 release. TP-Link Archer C9 Router is prone to a security-bypass vulnerability. Successfully exploiting this issue may allow an attacker to bypass certain security restrictions and perform unauthorized actions. TP-Link Archer C9(UN)_V2_160517 is vulnerable; other versions may also be affected

Trust: 2.52

sources: NVD: CVE-2017-11519 // JVNDB: JVNDB-2017-006015 // CNVD: CNVD-2017-18639 // BID: 100248 // VULHUB: VHN-101949

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2017-18639

AFFECTED PRODUCTS

vendor:tp linkmodel:archer c9 \scope:eqversion:160517

Trust: 1.6

vendor:tp linkmodel:archer c9scope:eqversion:v2_160517

Trust: 0.8

vendor:tp linkmodel:archer c9scope: - version: -

Trust: 0.6

vendor:tp linkmodel:archer c9 v2scope:eqversion:160517

Trust: 0.3

vendor:tp linkmodel:archer c9 v2scope:neversion:170511

Trust: 0.3

sources: CNVD: CNVD-2017-18639 // BID: 100248 // JVNDB: JVNDB-2017-006015 // CNNVD: CNNVD-201707-1107 // NVD: CVE-2017-11519

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2017-11519
value: CRITICAL

Trust: 1.0

NVD: CVE-2017-11519
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2017-18639
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-201707-1107
value: CRITICAL

Trust: 0.6

VULHUB: VHN-101949
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2017-11519
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2017-18639
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

VULHUB: VHN-101949
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2017-11519
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: 1.8

sources: CNVD: CNVD-2017-18639 // VULHUB: VHN-101949 // JVNDB: JVNDB-2017-006015 // CNNVD: CNNVD-201707-1107 // NVD: CVE-2017-11519

PROBLEMTYPE DATA

problemtype:CWE-335

Trust: 1.1

problemtype:CWE-255

Trust: 0.9

sources: VULHUB: VHN-101949 // JVNDB: JVNDB-2017-006015 // NVD: CVE-2017-11519

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201707-1107

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-201707-1107

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2017-006015

PATCH
title:Download for Archer C9 V2url:http://www.tp-link.com/en/download/Archer-C9_V2.html#Firmware
Trust: 0.8
title:TP-LinkArcherC9 (UN) patch for any password reset vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/99457
Trust: 0.6
title:TP-Link Archer C9(UN) Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=71991
Trust: 0.6
sources:
            
            
            CNVD: CNVD-2017-18639 // 
            
            
            
            JVNDB: JVNDB-2017-006015 // 
            
            
            
            CNNVD: CNNVD-201707-1107

EXTERNAL IDS
db:NVDid:CVE-2017-11519
Trust: 3.4
db:JVNDBid:JVNDB-2017-006015
Trust: 0.8
db:CNNVDid:CNNVD-201707-1107
Trust: 0.7
db:CNVDid:CNVD-2017-18639
Trust: 0.6
db:BIDid:100248
Trust: 0.4
db:VULHUBid:VHN-101949
Trust: 0.1
sources:
            
            
            CNVD: CNVD-2017-18639 // 
            
            
            
            VULHUB: VHN-101949 // 
            
            
            
            BID: 100248 // 
            
            
            
            JVNDB: JVNDB-2017-006015 // 
            
            
            
            CNNVD: CNNVD-201707-1107 // 
            
            
            
            NVD: CVE-2017-11519

REFERENCES
url:http://www.tp-link.com/en/download/archer-c9_v2.html#firmware
Trust: 2.6
url:https://devcraft.io/posts/2017/07/21/tp-link-archer-c9-admin-password-reset.html
Trust: 2.0
url:http://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-11519
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2017-11519
Trust: 0.8
url:http://www.tp-link.com
Trust: 0.3
sources:
            
            
            CNVD: CNVD-2017-18639 // 
            
            
            
            VULHUB: VHN-101949 // 
            
            
            
            BID: 100248 // 
            
            
            
            JVNDB: JVNDB-2017-006015 // 
            
            
            
            CNNVD: CNNVD-201707-1107 // 
            
            
            
            NVD: CVE-2017-11519

CREDITS
vakzz
Trust: 0.3
sources:
            
            
            BID: 100248

SOURCES
db:CNVDid:CNVD-2017-18639
db:VULHUBid:VHN-101949
db:BIDid:100248
db:JVNDBid:JVNDB-2017-006015
db:CNNVDid:CNNVD-201707-1107
db:NVDid:CVE-2017-11519

LAST UPDATE DATE
2025-04-20T23:13:04.329000+00:00

SOURCES UPDATE DATE
db:CNVDid:CNVD-2017-18639date:2017-08-03T00:00:00
db:VULHUBid:VHN-101949date:2019-10-03T00:00:00
db:BIDid:100248date:2017-07-21T00:00:00
db:JVNDBid:JVNDB-2017-006015date:2017-08-15T00:00:00
db:CNNVDid:CNNVD-201707-1107date:2019-10-23T00:00:00
db:NVDid:CVE-2017-11519date:2025-04-20T01:37:25.860

SOURCES RELEASE DATE
db:CNVDid:CNVD-2017-18639date:2017-08-03T00:00:00
db:VULHUBid:VHN-101949date:2017-07-21T00:00:00
db:BIDid:100248date:2017-07-21T00:00:00
db:JVNDBid:JVNDB-2017-006015date:2017-08-15T00:00:00
db:CNNVDid:CNNVD-201707-1107date:2017-07-26T00:00:00
db:NVDid:CVE-2017-11519date:2017-07-21T21:29:00.277