CVE-2020-14075: TRENDnet Tew-827dru Firmware

High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days.

TRENDnet TEW-827DRU devices through 2.06B04 contain multiple command injections in apply.cgi via the action pppoe_connect, ru_pppoe_connect, or dhcp_connect with the key wan_ifname (or wan0_dns), allowing an authenticated user to run arbitrary commands on the device.

Affected products

  • TRENDnet Tew-827dru Firmware: up to and including 2.06b04

Published 2020-06-15. Last modified 2026-06-17.