CVE-2017-8218

vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

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

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

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://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html	Exploit Technical Description Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:c2_firmware:*:rel.37961n:*:*:*:*:*:*

cpe:2.3:h:tp-link:c2:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tp-link:c20i_firmware:*:rel.37961n:*:*:*:*:*:*

cpe:2.3:h:tp-link:c20i:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-04-25 20:59

Updated : 2019-10-03 00:03

NVD link : CVE-2017-8218

Mitre link : CVE-2017-8218

CVE.ORG link : CVE-2017-8218

JSON object : View

Products Affected

tp-link

c2
c20i
c20i_firmware
c2_firmware

CWE

CWE-1188

Initialization of a Resource with an Insecure Default

{"id": "CVE-2017-8218", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-04-25T20:59:00.197", "references": [{"url": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1188"}]}], "descriptions": [{"lang": "en", "value": "vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password."}, {"lang": "es", "value": "Vsftpd en los dispositivos TP-Link C2 y C20i a trav\u00e9s del firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n tiene una cuenta de administrador de puerta trasera con la contrase\u00f1a 1234, una cuenta de invitado de puerta trasera con la contrase\u00f1a de invitado y una cuenta de prueba de puerta trasera con contrase\u00f1a de prueba."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:c2_firmware:*:rel.37961n:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2AC82F9-C75E-4E82-A23D-03C63F0B03D9", "versionEndIncluding": "0.9.1_4.2_v0032.0_build_160706"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:c2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D6025AAC-BA1E-4FE7-A577-EB3F5C3F8933"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:c20i_firmware:*:rel.37961n:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "792348D1-7A1A-4B56-B0D3-A5887E5FDE7E", "versionEndIncluding": "0.9.1_4.2_v0032.0_build_160706"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:c20i:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D7309B81-2E51-4CE8-8DAB-AA640C6A7F89"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}