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CVE-2025-26389

Siemens Ozw672 Firmware remote code execution

10.0 CRITICALEPSS 0.95%
  1. Published13 May 2025

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Siemens Ozw672 Firmware< 8.0
Siemens Ozw772 Firmware< 8.0

Remediation

Fixed in
Siemens Ozw672 Firmware≥ 8.0
Siemens Ozw772 Firmware≥ 8.0

References

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Frequently asked

Is CVE-2025-26389 being actively exploited?

CVE-2025-26389 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.95%.

How severe is CVE-2025-26389?

CVE-2025-26389 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 0.95% probability of exploitation.

Which products are affected by CVE-2025-26389?

Affected products include Siemens Ozw672 Firmware, Siemens Ozw772 Firmware.

How do I fix CVE-2025-26389?

Upgrade affected software to a fixed version, for example Siemens Ozw672 Firmware 8.0, Siemens Ozw772 Firmware 8.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-26389 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.