High · published November 18, 2025
⚡ A low-privileged attacker can remotely upload files anywhere they want, thanks to a missing file check — like letting a delivery driver drop packages wherever they please, no questions asked! 🔥 Think of a restaurant where anyone can just leave their orders in the kitchen without checking for allergies or special requests. This flaw allows attackers to drop malicious files right into the server, potentially running any code they want! The consequences can be absolutely devastating! An attacker could execute arbitrary code on the server, leading to data theft, unauthorized access, and total compromise of your system. This isn’t just a small breach—it's an open door for attackers to wreak havoc!
Think of a restaurant where anyone can just leave their orders in the kitchen without checking for allergies or special requests. This flaw allows attackers to drop malicious files right into the server, potentially running any code they want! This vulnerability arises from the absence of proper file upload checks, allowing a low-privileged remote attacker to upload any file they choose to an arbitrary location on the server, resulting in remote code execution.
The consequences can be absolutely devastating! An attacker could execute arbitrary code on the server, leading to data theft, unauthorized access, and total compromise of your system. This isn’t just a small breach—it's an open door for attackers to wreak havoc! To fortify your defenses, immediately implement strict file type validation and restrict upload permissions. Upgrade to the patched version as soon as it's available and regularly audit your file upload mechanisms. 🔒 You've got this! By following these steps, you’ll turn this potential pitfall into a fortified foundation for your application. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| metz-connect/ewio2-m_firmware | < 2.2.0 | 2.2.0 |
| metz-connect/ewio2-m-bm_firmware | < 2.2.0 | 2.2.0 |
| metz-connect/ewio2-bm_firmware | < 2.2.0 | 2.2.0 |