High · published October 27, 2025
⚡ A remote attacker can trigger a buffer overflow in the Tenda CH22 by simply manipulating a single argument! This is a big deal! 🔥 Think of it like a waiter who keeps pouring wine into a glass without stopping. Eventually, the glass overflows and makes a mess everywhere! In this case, the overflowing data can lead to unexpected behavior or even control of the device itself. An attacker can leverage this vulnerability to manipulate the device remotely, potentially gaining unauthorized access or causing it to crash. This could leave your network wide open for further attacks, leading to data breaches or service disruptions - absolutely devastating!
Think of it like a waiter who keeps pouring wine into a glass without stopping. Eventually, the glass overflows and makes a mess everywhere! In this case, the overflowing data can lead to unexpected behavior or even control of the device itself. The vulnerability in Tenda CH22 lies in the function fromSafeClientFilter, where an attacker can manipulate the 'page' argument, causing a buffer overflow that can corrupt memory and execute arbitrary code.
An attacker can leverage this vulnerability to manipulate the device remotely, potentially gaining unauthorized access or causing it to crash. This could leave your network wide open for further attacks, leading to data breaches or service disruptions - absolutely devastating! To protect your network, update your Tenda CH22 to version 1.0.0.2 immediately. Also, consider implementing network segmentation to limit exposure and monitor traffic for any suspicious activity. Don't wait - patch now! You've got this! Follow these steps and you'll have your Tenda CH22 secured in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| tenda/ch22_firmware | all versions | — |