Critical · published December 10, 2025
🚨 Just one crafty input can set off a chain reaction, allowing an attacker to write arbitrary data directly into memory! 🔥 Think of it like a restaurant where the chef blindly follows an incorrect recipe—all it takes is one wrong ingredient to spoil the entire dish. In this case, the unsafe sscanf calls serve as the chef, and the fixed-size stack buffers as the recipe gone wrong. This vulnerability could lead to full device compromise! An attacker could take complete control, accessing sensitive information or even turning the device into a bot for nefarious purposes. It's like giving someone the keys to your kingdom while you’re distracted in another room.
Think of it like a restaurant where the chef blindly follows an incorrect recipe—all it takes is one wrong ingredient to spoil the entire dish. In this case, the unsafe sscanf calls serve as the chef, and the fixed-size stack buffers as the recipe gone wrong. CVE-2025-41730 stems from an unauthenticated remote attacker exploiting unsafe sscanf calls in the check_account() function, allowing for arbitrary data to be written into fixed-size stack buffers, resulting in potential code execution.
This vulnerability could lead to full device compromise! An attacker could take complete control, accessing sensitive information or even turning the device into a bot for nefarious purposes. It's like giving someone the keys to your kingdom while you’re distracted in another room. Immediate action is crucial: update the affected software to the latest version that addresses this vulnerability, and conduct a thorough review of all sscanf calls to ensure they are properly validated. Applying strict input validation can also mitigate the risk. You've got this! Implement these fixes and you'll be a true security hero! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| wago/0852-1328_firmware | < 02.64 | 02.64 |
| wago/0852-1322_firmware | < 02.64 | 02.64 |