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Vulnerability record · CVE-2017-8219 · published 25 April 2017

CVE-2017-8219: Tp-link c2 firmware improper input validation vulnerability

Tp Link · C2 Firmware

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.

6.5 CVSS 3.0 Medium EPSS 1.2% · top 34.3% CWE-20 · Improper input validation
6.5CVSS 3.0 base score, v2 4.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html ExploitTechnical DescriptionThird Party Advisory
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html ExploitTechnical DescriptionThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-8219), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.