High · published October 27, 2025
⚡ A remote stack-based buffer overflow is just a crafted POST request away! This vulnerability in TOTOLINK A3300R lets attackers exploit the setScheduleCfg function with a single argument tweak. 🔥 Think of this vulnerability like a quiet hotel room where a guest can slip in a key card that opens every door — the stack gets overloaded, similar to how too many guests can cause chaos in the lobby. The hotel staff (your device) just can't handle it! If exploited, an attacker could potentially execute arbitrary code, compromising the device completely. This means they could gain control, mess with settings, or even hijack the network traffic. It's not just inconvenient; it's a serious breach of security!
Think of this vulnerability like a quiet hotel room where a guest can slip in a key card that opens every door — the stack gets overloaded, similar to how too many guests can cause chaos in the lobby. The hotel staff (your device) just can't handle it! This flaw exists in the POST Parameter Handler of the TOTOLINK A3300R, where the recHour argument in the setScheduleCfg function can be manipulated to overflow the stack, leading to potential remote code execution.
If exploited, an attacker could potentially execute arbitrary code, compromising the device completely. This means they could gain control, mess with settings, or even hijack the network traffic. It's not just inconvenient; it's a serious breach of security! To safeguard against this, patch your device to the most recent firmware version if available. Additionally, consider disabling remote management features until you're sure you are secure. Regularly audit your network devices for vulnerabilities like this! You've got this! Take these steps and you'll be one step closer to securing your network! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| totolink/a3300r_firmware | all versions | — |