What is CVE-2025-40766?

CVE-2025-40766 is a medium-severity vulnerability in Siemens Sinec Traffic Analyzer, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2025-08-12.

How severe is CVE-2025-40766?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-40766 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Siemens Sinec Traffic Analyzer

CVE-2025-40766

A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V3.0). The affected application runs docker containers without adequate resource and security limitations. This could allow an attacker to p…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Siemens Sinec Traffic Analyzer — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

cert-portal.siemens.com/productcert/html/ssa-517338.html

Frequently asked questions

What is CVE-2025-40766?: CVE-2025-40766 is a medium-severity vulnerability in Siemens Sinec Traffic Analyzer, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2025-08-12.
How severe is CVE-2025-40766?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-40766 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.