TP-LINK C2/C20i up to 0.9.1 HTTP Request host command injection

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in TP-LINK C2 and C20i up to 0.9.1. This affects an unknown function of the component HTTP Request Handler. This manipulation of the argument host causes command injection. This vulnerability appears as CVE-2017-8220. The attack may be initiated remotely. There is no available exploit. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability classified as critical was found in TP-LINK C2 and C20i up to 0.9.1. Affected by this vulnerability is some unknown processing of the component HTTP Request Handler. The manipulation of the argument host with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow remote code execution with a single HTTP request by placing shell commands in a "host=" line within HTTP POST data.

The bug was discovered 04/25/2017. The weakness was presented 04/25/2017 (Website). It is possible to read the advisory at pierrekim.github.io. This vulnerability is known as CVE-2017-8220 since 04/25/2017. The attack can be launched remotely. Required for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Proper firewalling of is able to address this issue.

See VDB-100600, VDB-100601 and VDB-100602 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.9
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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: Firewall
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-2017-8220 (🔍)
GCVE (CVE): GCVE-0-2017-8220
GCVE (VulDB): GCVE-100-100603
OSVDB: - CVE-2017-8220 - TP-Link - Multiple Products - Code Execution Issue

See also: 🔍

Entryinfo

Created: 04/26/2017 08:45
Updated: 06/19/2022 16:05
Replaces Duplicates: 🔍
Changes: 04/26/2017 08:45 (58), 09/21/2020 13:00 (2), 06/19/2022 16:05 (3)
Complete: 🔍
Cache ID: 216::103

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