CVE-2025-40736

Critical

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).

SeverityCritical
CVSS9.8
Exploit probability40. percentile0.5%
ProductSiemens Sinec Nms
PublishedJul 8, 2025
First seenJul 8, 2025

How to fix

Update
  • siemens sinec_nms4.0 or later

Affected products

ProductAffected versionsFixed in
siemens sinec_nmsv < 4.04.0

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