High · published October 27, 2025
⚡ A buffer overflow bug lurks in Tenda CH22, waiting for the right moment to strike! Just a simple argument manipulation and an attacker can exploit it remotely! 🔥 Think of it like a waiter who accidentally spills a drink everywhere because they tried to balance too many plates at once. In this case, the waiter is the software mishandling input, leading to a cascade of problems. If exploited, an attacker could potentially execute arbitrary code, leading to a complete takeover of the device! This means they could manipulate settings, intercept network traffic, or even launch further attacks on your network. Absolutely devastating for anyone relying on this router!
Think of it like a waiter who accidentally spills a drink everywhere because they tried to balance too many plates at once. In this case, the waiter is the software mishandling input, leading to a cascade of problems. CVE-2025-12236 is a high-severity buffer overflow vulnerability found in the function fromDhcpListClient of Tenda CH22's /goform/DhcpListClient file. Through the manipulation of input arguments, remote code execution is possible, allowing unauthorized actions by an attacker.
If exploited, an attacker could potentially execute arbitrary code, leading to a complete takeover of the device! This means they could manipulate settings, intercept network traffic, or even launch further attacks on your network. Absolutely devastating for anyone relying on this router! To protect your device, immediately update to the latest firmware version released by Tenda. Ensure you regularly check for updates to avoid similar vulnerabilities in the future. Consider implementing network segmentation to minimize risks. You've got this! Follow these steps, and you'll keep your network safe and sound! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| tenda/ch22_firmware | all versions | — |