What is CVE-2025-40942?

CVE-2025-40942 is a high-severity vulnerability in Siemens Telecontrol Server Basic, classified under CWE-250. CVSS score: 8.8/10. Published 2026-01-13.

How severe is CVE-2025-40942?

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

Vulnerability in Siemens Telecontrol Server Basic

CVE-2025-40942

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.4). Affected application contains a local privilege escalation vulnerability that could allow an attacker to run arbitrary code with elevated privileges.

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Siemens Telecontrol Server Basic — versions 0
Siemens Telecontrol_server_basic

Weakness classification (CWE)

CWE-250

References

productcert@siemens.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-40942?: CVE-2025-40942 is a high-severity vulnerability in Siemens Telecontrol Server Basic, classified under CWE-250. CVSS score: 8.8/10. Published 2026-01-13.
How severe is CVE-2025-40942?: High severity. CVSS v3 base score is 8.8 out of 10.