CVE-2017-8220

CRITICAL

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...

Affects 4 products across 1 vendor.

BCS7.7
CVSS 3.09.9
EPSS36.6%
Percentile98th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, low privileges required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-78: OS Command Injection

Attacker injects OS commands through application inputs passed to system() or equivalent calls, leading to arbitrary command execution.

Related Attack Patterns (CAPEC)
CAPEC-43 Exploiting Multiple Input Interpretation Layers
via CWE-78
CAPEC-108 Command Line Execution through SQL Injection
via CWE-78
CAPEC-6 Argument Injection
via CWE-78
CAPEC-15 Command Delimiters
via CWE-78
CAPEC-88 OS Command Injection
via CWE-78

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2017. A critical vulnerability affects Tp-Link systems (CVE-2017-8220). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2017-GLOBAL-121369-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2017-8220?
This vulnerability was disclosed in 2017. A critical vulnerability affects Tp-Link systems (CVE-2017-8220). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2017-8220?
CVE-2017-8220 has CVSS 9.9 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS: 36.6%.
Is CVE-2017-8220 actively exploited?
No confirmed active exploitation of CVE-2017-8220 as of 2026-05-30.
How do I remediate CVE-2017-8220?
Priority: MEDIUM.
What systems are affected by CVE-2017-8220?
CVE-2017-8220 affects: Tp-Link, Tp-Link, Tp-Link, Tp-Link.
Vulnerability Details
CVE IDCVE-2017-8220
BSIDBS-2017-GLOBAL-121369-C BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published2017-04-25
Last Modified2026-05-13
ICS Relevance90%
Weakness (CWE)
OS Command Injection
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Tp-Link C2 Firmware —
Tp-Link C2 —
Tp-Link C20I Firmware —
Tp-Link C20I —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 3391 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashc3ec50c5f00bf25882577aadf0c16fcadc0b4a3f68828f1f18da3c1759667f279171e55ed8196b0d99396ee072d1e4a5e2e933d9df4d8fa1b6ec976867577be1
Related CVEs affecting Tp-Link
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