CVE-2025-41714: Welotec Smartems Web Application

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The upload endpoint insufficiently validates the 'Upload-Key' request header. By supplying path traversal sequences, an authenticated attacker can cause the server to create upload-related artifacts outside the intended storage location. In certain configurations this enables arbitrary file write and may be leveraged to achieve remote code execution.

Affected products

• Welotec Smartems Web Application: from v0.0.0, before v3.3.6 (fixed in v3.3.6)

Published 2025-09-10. Last modified 2026-06-17.