High · published January 7, 2026
🚨 A crafty command injection flaw in TRENDnet TEW-811DRU could turn your router into a puppet on a string! ⚡ Think of this like a careless hotel that lets anyone change the guest Wi-Fi settings just by telling the front desk a new password — no verification needed. This means an attacker can manipulate the router's functions and potentially seize control without breaking a sweat! An attacker with remote access could exploit this vulnerability to execute arbitrary commands on the router, leading to a full compromise of your network. This could result in data theft, unauthorized access to sensitive devices, or even a complete takeover of your internet connection — absolutely devastating!
Think of this like a careless hotel that lets anyone change the guest Wi-Fi settings just by telling the front desk a new password — no verification needed. This means an attacker can manipulate the router's functions and potentially seize control without breaking a sweat! This vulnerability stems from improper handling of the DeviceURL argument in the uapply.cgi file of the httpd component, allowing for OS command injection. Attackers can send specially crafted requests to execute commands directly on the device.
An attacker with remote access could exploit this vulnerability to execute arbitrary commands on the router, leading to a full compromise of your network. This could result in data theft, unauthorized access to sensitive devices, or even a complete takeover of your internet connection — absolutely devastating! Immediately update your TRENDnet TEW-811DRU firmware to version 1.0.2.1 or later to close this gap. Additionally, review your network settings and ensure that remote management features are disabled if not needed. Keep an eye on vendor updates and advisories for any further measures. You've got this! Take these steps to secure your router and keep your network safe! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| trendnet/tew-811dru_firmware | all versions | — |