RCE in Siemens Ozw672

CVE-2025-26389

A vulnerability has been identified in OZW672 (All versions < V8.0), OZW772 (All versions < V8.0). The web service in affected devices does not sanitize the input parameters required for the `exportDiagramPage` endpoint. This could allow an unauthenticated remote attacker to execute arbitrary code with root privileges.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-26389: held from 0.009 to 0.009.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-26389?
CVE-2025-26389 is a critical-severity vulnerability in Siemens Ozw672, classified under OS Command Injection. CVSS score: 10.0/10. Published 2025-05-13.
How severe is CVE-2025-26389?
Critical severity. CVSS v3 base score is 10.0 out of 10.