CVE-2017-18374

The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user accounts with default passwords, including a hardcoded service account with the username true and password true. These accounts can be used to login to the web interface, exploit authenticated command injections and change router settings for malicious purposes.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://www.zyxel.com/support/announcement_unauthenticated.shtml	Broken Link
https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt	Exploit Third Party Advisory
https://seclists.org/fulldisclosure/2017/Jan/40	Mailing List Exploit Third Party Advisory
https://ssd-disclosure.com/index.php/archives/2910	Exploit Technical Description Third Party Advisory
https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/	Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*

cpe:2.3:h:billion:5200w-t:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.15.0:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:p660hn-t1a_v2:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.15.0:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:p660hn-t1a_v1:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-05-02 17:29

Updated : 2019-05-03 19:29

NVD link : CVE-2017-18374

Mitre link : CVE-2017-18374

CVE.ORG link : CVE-2017-18374

JSON object : View

Products Affected

zyxel

p660hn-t1a_v1_firmware
p660hn-t1a_v2
p660hn-t1a_v2_firmware
p660hn-t1a_v1

billion

5200w-t
5200w-t_firmware

CWE

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2017-18374", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2019-05-02T17:29:01.490", "references": [{"url": "http://www.zyxel.com/support/announcement_unauthenticated.shtml", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "https://raw.githubusercontent.com/pedrib/PoC/master/advisories/zyxel_trueonline.txt", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/fulldisclosure/2017/Jan/40", "tags": ["Mailing List", "Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://ssd-disclosure.com/index.php/archives/2910", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://unit42.paloaltonetworks.com/new-mirai-variant-targets-enterprise-wireless-presentation-display-systems/", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has two user accounts with default passwords, including a hardcoded service account with the username true and password true. These accounts can be used to login to the web interface, exploit authenticated command injections and change router settings for malicious purposes."}, {"lang": "es", "value": "El router ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 distribuido por TrueOnline tiene dos cuentas de usuario con contrase\u00f1as predeterminadas, incluyendo una cuenta de servicio con el nombre de usuario true y password true. Estas cuentas se pueden utilizar para iniciar sesi\u00f3n en la interfaz web, explotar inyecciones de comandos autenticadas y cambiar la configuraci\u00f3n del router con fines maliciosos."}], "lastModified": "2019-05-03T19:29:51.530", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:billion:5200w-t_firmware:7.3.8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C756E02F-45B7-4F40-AEEC-DCC334023F8B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:billion:5200w-t:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B8F97C92-C53D-4578-92ED-9327E3646FDB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:p660hn-t1a_v2_firmware:7.3.15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "345E3D41-AF56-47DA-9719-E84FB9DB300B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:p660hn-t1a_v2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1C6D563A-3210-4459-BE4D-5CC36CAF6784"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:p660hn-t1a_v1_firmware:7.3.15.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB423D04-654A-4FD5-8973-17E5B08C7453"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:p660hn-t1a_v1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3AF29B50-0AE2-444C-A251-C27DEBDC064B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}