CVE-2026-25655: High severity Siemens SINEC NMS vulnerability

Published Feb 10, 2026
·
Updated

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). 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 administrative privilege.(ZDI-CAN-28107)

Affected Software

4 affected components
Siemens SINEC NMS<4.0 SP2
Siemens SINEC NMS<4.0
Siemens SINEC NMS=4.0
Siemens SINEC NMS=4.0-sp1

Event History

Feb 10, 2026
CVE Published
via MITRE·09:58 AM
Data Sourced
via MITRE·09:58 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-25655?

CVE-2026-25655 is considered a high severity vulnerability due to the potential for arbitrary code execution.

2

How do I fix CVE-2026-25655?

To remediate CVE-2026-25655, upgrade SINEC NMS to version 4.0 SP2 or later.

3

What type of vulnerability is CVE-2026-25655?

CVE-2026-25655 is an improper modification vulnerability that allows low-privileged users to alter a configuration file.

4

Who is affected by CVE-2026-25655?

Any users of SINEC NMS versions prior to 4.0 SP2 are affected by CVE-2026-25655.

5

What can an attacker do with CVE-2026-25655?

An attacker exploiting CVE-2026-25655 could load malicious DLLs, potentially leading to arbitrary code execution with administrative privileges.

Contact

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