What is CVE-2026-25656?

CVE-2026-25656 is a high-severity vulnerability in Siemens Sinec Nms, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-02-10.

How severe is CVE-2026-25656?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Siemens Sinec Nms

CVE-2026-25656

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…

EPSS: 0.002 (14.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Siemens Sinec Nms — versions 0
Siemens Sinec_nms
Siemens User_management_component
Siemens User Management Component (Umc) — versions 0

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

productcert@siemens.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-25656?: CVE-2026-25656 is a high-severity vulnerability in Siemens Sinec Nms, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2026-02-10.
How severe is CVE-2026-25656?: High severity. CVSS v3 base score is 7.8 out of 10.