High · published December 9, 2025
🔥 Sensitive information is stored in the firmware of SIMATIC CN 4100 devices, and it's accessible to anyone who knows where to look! Think of it like a personal diary left unlocked on a park bench — anyone can peek inside and misuse those private thoughts if you’re not careful! 📖 If exploited, an attacker could access confidential data, compromise device functionality, and potentially disrupt crucial operations. This could lead to a catastrophic loss of integrity and availability, putting your entire system at risk! ⚠️
Think of it like a personal diary left unlocked on a park bench — anyone can peek inside and misuse those private thoughts if you’re not careful! 📖 CVE-2025-40938 allows unauthorized access to sensitive information stored in the firmware of SIMATIC CN 4100 devices, which impacts its confidentiality and integrity. All versions prior to 4.0.1 are vulnerable, leaving a major hole in device security!
If exploited, an attacker could access confidential data, compromise device functionality, and potentially disrupt crucial operations. This could lead to a catastrophic loss of integrity and availability, putting your entire system at risk! ⚠️ Update to version 4.0.1 or later as soon as possible to secure your devices. Additionally, assess your network's access controls to limit exposure further. Don't forget to continuously monitor for any unusual activity! You've got this! Patch those devices and keep your system safe! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| siemens/simatic_cn_4100_firmware | < 4.0.1 | 4.0.1 |