What’s Vulnerable › Vulnerabilities
CVE-2025-40736
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-07-08 · updated 2026-06-17
- Weakness: CWE-306
Description
A vulnerability has been identified in SINEC NMS (All versions < V4.0). The affected application exposes an endpoint that allows an unauthorized modification of administrative credentials. This could allow an unauthenticated attacker to reset the superadmin password and gain full control of the application (ZDI-CAN-26569).
Affected products
- Siemens SINEC NMS: before 4.0 — fixed in 4.0
How to fix
Upgrade to a fixed version: Siemens SINEC NMS 4.0. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2025-40736 or the next vulnerability affects your stack