CVE-2026-25656
High
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)
SeverityHigh
CVSS7.8
Exploit probability—
ProductSiemens Sinec Nms
PublishedFeb 10, 2026
First seenFeb 10, 2026
Weakness typeCWE-427CWE-427
How to fix
Update
- siemens user_management_component2.15.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens sinec_nms | No range specified | — |
| siemens user_management_component | v < 2.15.2.1 | 2.15.2.1 |
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