High · published October 27, 2025
🚨 A single remote request can trigger a stack-based buffer overflow in your TOTOLINK A3300R! This vulnerability is ripe for exploitation and needs immediate attention! 🔥 Think of it as a restaurant where the chef relies on a recipe with missing ingredients — one wrong move could lead to a disastrous dish. Similarly, the vulnerability in the setSyslogCfg function allows an attacker to overflow the stack like a recipe overflowing on the counter! An attacker could exploit this vulnerability to cause a system crash or potentially execute malicious code, gaining control over the device. This could lead to unauthorized access to your network, compromising sensitive data and systems, making your entire setup vulnerable to other attacks.
Think of it as a restaurant where the chef relies on a recipe with missing ingredients — one wrong move could lead to a disastrous dish. Similarly, the vulnerability in the setSyslogCfg function allows an attacker to overflow the stack like a recipe overflowing on the counter! This vulnerability in the TOTOLINK A3300R's POST Parameter Handler occurs when the argument 'enable' in the setSyslogCfg function is manipulated, leading to a stack-based buffer overflow. This allows attackers to execute arbitrary code remotely, effectively taking control of the device.
An attacker could exploit this vulnerability to cause a system crash or potentially execute malicious code, gaining control over the device. This could lead to unauthorized access to your network, compromising sensitive data and systems, making your entire setup vulnerable to other attacks. To mitigate this risk, update your TOTOLINK A3300R firmware to the latest secure version as soon as possible. Regularly check for updates and consider enabling robust network security measures, such as firewalls or VPNs, to protect against unauthorized access. You've got this! By taking these steps, you'll be well on your way to securing your network. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| totolink/a3300r_firmware | all versions | — |