High · published December 14, 2025
⚡ A crafty manipulation of the Tenda AC20's scheduling arguments could lead to a buffer overflow, turning your trusted router into an unwitting accomplice of remote attackers! Think of it like a dinner invitation where the host mistakes your dietary preferences — a small change in the guest list can lead to a chaotic meal! In this case, the router becomes overly accommodating, allowing the wrong guests to crash the party, with potentially catastrophic results. An attacker could exploit this vulnerability to execute arbitrary code remotely, effectively taking control of your router. This means they could intercept traffic, alter configurations, or even launch further attacks on your network, leaving your devices exposed and at risk. It's like leaving your front door wide open and inviting all sorts of unwanted guests in!
Think of it like a dinner invitation where the host mistakes your dietary preferences — a small change in the guest list can lead to a chaotic meal! In this case, the router becomes overly accommodating, allowing the wrong guests to crash the party, with potentially catastrophic results. This vulnerability exists in the httpd function of the Tenda AC20's scheduling feature, where manipulating the arguments `schedStartTime/schedEndTime` can result in buffer overflow, leading to potential remote code execution.
An attacker could exploit this vulnerability to execute arbitrary code remotely, effectively taking control of your router. This means they could intercept traffic, alter configurations, or even launch further attacks on your network, leaving your devices exposed and at risk. It's like leaving your front door wide open and inviting all sorts of unwanted guests in! To safeguard your network, immediately update the Tenda AC20 firmware to the latest version. Review the manufacturer's site for patches, and consider disabling remote management features if they are not essential. Regularly audit your network to ensure no unauthorized access has occurred. You've got this! With these steps, you'll solidify your defenses and keep your network secure! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| tenda/ac20_firmware | all versions | — |