High · published December 30, 2025
🚨 A sneaky stack-based buffer overflow awaits in Tenda M3! A simple manipulation of the VLAN settings can spell disaster. 🔥 Think of it like a pizza joint where the chef doesn't check the orders carefully. One wrong topping can lead to a flavor explosion — or in this case, an overflow disaster that could compromise the entire kitchen! An attacker could remotely overflow the stack and gain unauthorized access, potentially leading to a full system compromise. This could mean anything from stealing sensitive information to completely taking over the device, leaving your network vulnerable. Yikes!
Think of it like a pizza joint where the chef doesn't check the orders carefully. One wrong topping can lead to a flavor explosion — or in this case, an overflow disaster that could compromise the entire kitchen! This vulnerability occurs in the function formSetRemoteVlanInfo within the Tenda M3's firmware, where the manipulation of the ID/vlan/port argument can overflow the stack, allowing an attacker to execute arbitrary code remotely.
An attacker could remotely overflow the stack and gain unauthorized access, potentially leading to a full system compromise. This could mean anything from stealing sensitive information to completely taking over the device, leaving your network vulnerable. Yikes! To safeguard your devices, update your Tenda M3 to the latest firmware version immediately. If you can't update right away, consider implementing network-level protections like firewalls or disabling remote management features until the patch is applied. Your network will thank you! You've got this! Follow these steps, and you're on your way to securing your network like a pro! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| tenda/m3_firmware | all versions | — |