CVE-2019-18852

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf	Exploit Third Party Advisory
https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:dlink:dir-600_b1_firmware:2.01:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-600_b1:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:dlink:dir-615_j1_firmware:100:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-615_j1:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:dlink:dir-645_a1_firmware:1.03:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-645_a1:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:dlink:dir-815_a1_firmware:1.01:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-815_a1:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:o:dlink:dir-823_a1_firmware:1.01:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-823_a1:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND

cpe:2.3:o:dlink:dir-842_c1_firmware:3.00:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-842_c1:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:dlink:dir-890l_a1_firmware:1.03:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dir-890l_a1:-:*:*:*:*:*:*:*

History

21 Nov 2024, 04:33

Type	Values Removed	Values Added
References	~~() https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf - Exploit, Third Party Advisory~~	() https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf - Exploit, Third Party Advisory

Information

Published : 2019-11-11 14:15

Updated : 2024-11-21 04:33

NVD link : CVE-2019-18852

Mitre link : CVE-2019-18852

CVE.ORG link : CVE-2019-18852

JSON object : View

Products Affected

dlink

dir-600_b1
dir-815_a1_firmware
dir-600_b1_firmware
dir-842_c1_firmware
dir-890l_a1
dir-890l_a1_firmware
dir-645_a1_firmware
dir-615_j1_firmware
dir-842_c1
dir-645_a1
dir-823_a1_firmware
dir-815_a1
dir-615_j1
dir-823_a1

CWE

CWE-319

Cleartext Transmission of Sensitive Information

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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."}, {"lang": "es", "value": "Determinados dispositivos D-Link, poseen una cuenta de usuario de Alphanetworks embebida con acceso de TELNET debido a etc/config/image_sign o /etc/alpha_config/image_sign. Esto afecta a DIR-600 B1 versi\u00f3n V2.01 para WW, DIR-890L A1 versi\u00f3n v1.03, DIR-615 J1 versi\u00f3n v100 (para DCN), DIR-645 A1 versi\u00f3n v1.03, DIR-815 A1 versi\u00f3n v1.01, DIR-823 A1 versi\u00f3n v1.01 y DIR-842 C1 versi\u00f3n v3.00."}], "lastModified": "2024-11-21T04:33:42.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-600_b1_firmware:2.01:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5822C40-63B4-4C38-BB44-30C890B7D3CB"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-600_b1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D01EA1FD-0D5E-466E-8866-119E58379185"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-615_j1_firmware:100:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "91B9B0C2-0823-4C78-BDA7-66E618ACA1C1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-615_j1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A573F4F5-3783-40A1-BD4A-02D08EDC660F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-645_a1_firmware:1.03:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8309559B-540F-42AC-AD7A-CF0D26E711F1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-645_a1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C4637D9F-F585-4E78-805B-C6FD2A1F8569"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-815_a1_firmware:1.01:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F38E5FB-3BF9-421B-B8B3-E766160FEE9D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-815_a1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "13F27579-BF50-4B02-A8E6-CB87CA9BD9B4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-823_a1_firmware:1.01:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "761B7A67-0762-4A9A-89D1-85A7CF60B952"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-823_a1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AD2A9CE7-96F0-43B5-9C2C-28D3B7F6AA8F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-842_c1_firmware:3.00:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE29AFFE-21B1-4BF2-9F31-46229F874F5F"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-842_c1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "0D6B838C-46CA-4334-97AD-8E96CADCC7E3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-890l_a1_firmware:1.03:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F3DDDE6-8254-4E73-8042-2EE1DEB374F1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-890l_a1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CE05B21E-C419-4443-A638-329EAC03CDF9"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}

9.8 /10