CVE-2025-27451: Endress MEAC300-FNADE4 Firmware

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

For failed login attempts, the application returns different error messages depending on whether the login failed due to an incorrect password or a non-existing username. This allows an attacker to guess usernames until they find an existing one.

Affected products

• Endress MEAC300-FNADE4 Firmware: up to and including 0.16.0

Published 2025-07-03. Last modified 2026-06-17.