What is CVE-2026-25654?

CVE-2026-25654 is a high-severity vulnerability in Siemens Sinec Nms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-04-14.

How severe is CVE-2026-25654?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Siemens Sinec Nms

CVE-2026-25654

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3). Affected products do not properly validate user authorization when processing password reset requests. This could allow an authenticated remote attacker to bypass…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.001 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Siemens Sinec Nms — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cert-portal.siemens.com/productcert/html/ssa-605717.html

Frequently asked questions

What is CVE-2026-25654?: CVE-2026-25654 is a high-severity vulnerability in Siemens Sinec Nms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-04-14.
How severe is CVE-2026-25654?: High severity. CVSS v3 base score is 8.8 out of 10.