TP-LINK C2/C20i up to 0.9.1 HTTP Server /cgi/ansi Cookie input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.04

A vulnerability classified as problematic has been found in TP-LINK C2 and C20i up to 0.9.1. Affected is an unknown code block of the file /cgi/ansi of the component HTTP Server. The manipulation as part of a Cookie leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n allow DoSing the HTTP server via a crafted Cookie header to the /cgi/ansi URI.

The bug was discovered 04/25/2017. The weakness was disclosed 04/25/2017 (Website). The advisory is available at pierrekim.github.io. This vulnerability is traded as CVE-2017-8219 since 04/25/2017. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. Technical details are known, but there is no available exploit.

It is possible to mitigate the weakness by firewalling .

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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-2017-8219 (🔍)
OSVDB: - CVE-2017-8219 - TP-Link - Multiple Products - Denial of Service Issue

Entryinfo

Created: 04/26/2017 08:45 AM
Updated: 06/19/2022 04:08 PM
Replaces Duplicates: 🔍
Changes: 04/26/2017 08:45 AM (59), 09/21/2020 12:57 PM (2), 06/19/2022 04:08 PM (3)
Complete: 🔍
Cache ID: 35:FCE:40

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