CVE-2025-40735: Siemens Sinec Nms

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected devices are vulnerable to SQL injection. This could allow an unauthenticated remote attacker to execute arbitrary SQL queries on the server database.

Affected products

• Siemens Sinec Nms: before 4.0 (fixed in 4.0)

Published 2025-07-08. Last modified 2026-06-17.