CVE-2025-27450: Endress MEAC300-FNADE4 Firmware

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The Secure attribute is missing on multiple cookies provided by the MEAC300-FNADE4. An attacker can trick a user to establish an unencrypted HTTP connection to the server and intercept the request containing the PHPSESSID cookie.

Affected products

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

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