CVE-2025-27396: Siemens Scalance LPE9403 Firmware

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit the elevation of privileges required to perform certain valid functionality. This could allow an authenticated lowly-privileged remote attacker to escalate their privileges.

Affected products

• Siemens Scalance LPE9403 Firmware: before 4.0 (fixed in 4.0)

Published 2025-03-11. Last modified 2026-06-17.