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 v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : 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

Advertisement

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:-:*:*:*:*:*:*:*

Information

Published : 2017-04-25 13:59

Updated : 2019-10-02 17:03

NVD link : CVE-2017-8218

Mitre link : CVE-2017-8218

JSON object : View

CWE

CWE-1188

Insecure Default Initialization of Resource

Advertisement

Products Affected

tp-link

c2_firmware
c20i
c20i_firmware
c2

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html", "name": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-1188"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-8218", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "HIGH", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2017-04-25T20:59Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:tp-link:c2_firmware:*:rel.37961n:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "0.9.1_4.2_v0032.0_build_160706"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:tp-link:c2:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:tp-link:c20i_firmware:*:rel.37961n:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "0.9.1_4.2_v0032.0_build_160706"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:tp-link:c20i:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-03T00:03Z"}