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Fencer Vulns
critical 9.9

CVE-2017-8220 in the critical feed json

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 reque…

published 2017-04-25 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17182

cvss
9.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
37.2%
EPSS 37.2% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

Exploit prediction

37.17% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • pierrekim.github.io https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.9 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.