No exploitation reported

CVE-2017-8220

No exploitation reported by the sources we read.

Published2017-04-25
WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2017-04-2520:59CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-8220?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-8220?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Tp-link c2 firmwareversion to verify

Branch	Affected	Fixed in	Source
0.9	≤ 0.9.1_4.2_v0032.0_build_160706	no fix published	NVD

Tp-link c20i firmwareversion to verify

Branch	Affected	Fixed in	Source
0.9	≤ 0.9.1_4.2_v0032.0_build_160706	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.09.9read 2026-10-23
NVDCVSS 2.09read 2026-10-23
NVDweakness (CWE)CWE-78read 2026-10-23
FIRST EPSSEPSS score37.2 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published: 2017-04-25
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-8220?

Is CVE-2017-8220 actively exploited?

Active exploitation of CVE-2017-8220 has not been confirmed. Its EPSS score was 37.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-8220?

CVE-2017-8220 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

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