TP-LINK C2/C20i up to 0.9.1 vsftpd Password hard-coded credentials

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in TP-LINK C2 and C20i up to 0.9.1. The affected element is an unknown function of the component vsftpd. The manipulation of the argument Password with the input test leads to hard-coded credentials. This vulnerability is documented as CVE-2017-8218. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in TP-LINK C2 and C20i up to 0.9.1. It has been rated as critical. This issue affects an unknown code of the component vsftpd. The manipulation of the argument password with the input value test leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 04/25/2017. The weakness was released 04/25/2017 (Website). The advisory is shared at pierrekim.github.io. The identification of this vulnerability is CVE-2017-8218 since 04/25/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-100600, VDB-100602 and VDB-100603. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/25/2017 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/26/2017 +1 days 🔍
06/19/2022 +1880 days 🔍

Sourcesinfo

Vendor: tp-link.com

Advisory: pierrekim.github.io
Status: Not defined

CVE: CVE-2017-8218 (🔍)
GCVE (CVE): GCVE-0-2017-8218
GCVE (VulDB): GCVE-100-100601
OSVDB: - CVE-2017-8218 - TP-Link - Multiple Products - Backdoor Account Issue

See also: 🔍

Entryinfo

Created: 04/26/2017 08:45
Updated: 06/19/2022 16:07
Replaces Duplicates: 🔍
Changes: 04/26/2017 08:45 (59), 09/21/2020 12:49 (2), 06/19/2022 16:07 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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