CVE-2017-8219: TP-Link c20i Firmware

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

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.

Affected products

• TP-Link c20i Firmware: up to and including 0.9.1_4.2_v0032.0_build_160706
• TP-Link c2 Firmware: up to and including 0.9.1_4.2_v0032.0_build_160706

Published 2017-04-25. Last modified 2026-06-17.