High · published October 27, 2025
🚨 A stack-based buffer overflow in Tenda O3 could let attackers remotely take control — that's like inviting strangers to crash your virtual party! 🔥 Think of it as a faulty delivery service where anyone can just tell the courier to drop off a massive package at your door, causing a chaotic pile-up. If they send a package too big for the mailbox, it could burst open and let the wrong crowd in! An attacker could exploit this vulnerability to run malicious code on the device, potentially compromising your entire network. Imagine your security system being turned against you, allowing intruders access to sensitive information or control over your devices — absolutely devastating!
Think of it as a faulty delivery service where anyone can just tell the courier to drop off a massive package at your door, causing a chaotic pile-up. If they send a package too big for the mailbox, it could burst open and let the wrong crowd in! The vulnerability arises from improper handling of the argument 'dmzIP' in the functions SetValue/GetValue of the file /goform/setDmzInfo, leading to a stack-based buffer overflow that can be triggered remotely without authentication.
An attacker could exploit this vulnerability to run malicious code on the device, potentially compromising your entire network. Imagine your security system being turned against you, allowing intruders access to sensitive information or control over your devices — absolutely devastating! To protect your devices, update Tenda O3 to version 1.0.0.11 or later immediately. Additionally, review your firewall settings and disable remote access if not needed, to minimize exposure. You've got this! Follow these steps to bolster your defenses and keep your network secure! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| tenda/o3_firmware1.0.0.10\(2478\) | all versions | — |