Critical · published December 16, 2025
🚨 The door is wide open on certain TOTOLINK routers, allowing attackers to send commands without even logging in! 🔥 It's like a restaurant where anyone can walk into the kitchen and start cooking without being a staff member — chaos waiting to happen! With this vulnerability, an attacker could take control of the router, modify settings, or intercept network traffic, leading to absolute mayhem! Your entire home network could be compromised, with sensitive information at risk of exposure. This is a critical issue that must be addressed immediately!
It's like a restaurant where anyone can walk into the kitchen and start cooking without being a staff member — chaos waiting to happen! The issue stems from incorrect access control in the TOTOLINK A3300R and N200RE models, allowing unauthenticated users to send payloads to the management interface without verification.
With this vulnerability, an attacker could take control of the router, modify settings, or intercept network traffic, leading to absolute mayhem! Your entire home network could be compromised, with sensitive information at risk of exposure. This is a critical issue that must be addressed immediately! Update your TOTOLINK routers to the fixed firmware versions: A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 or V9.3.5u.6437_B20230519. Additionally, ensure that your network settings are properly secured and review access control measures. You've got this! With these steps, you can secure your network and put a stop to unauthorized access. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| totolink/a3300r_firmware | all versions | — |
| totolink/n200re_firmware | all versions | — |