Vulnerability · Published Feb 10, 2026 · Assigned by siemens
CVE-2026-25656
High 7.8
In plain English
A high-severity uncontrolled search path in SINEC NMS from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3), User Management Component (UMC) (All versions < V2.15.2.1). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with SYSTEM privileges.(ZDI-CAN-28108)
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SINEC NMS | 0 – before V4.0 SP3 |
| Siemens | User Management Component (UMC) | 0 – before V2.15.2.1 |
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H