CVE-2025-59109 - CVE House
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Status published Medium CVE-2025-59109

UART Leaking Sensitive Data in dormakaba registration unit 9002

Vulnerability Description

The dormakaba registration units 9002 (PIN Pad Units) have an exposed UART header on the backside. The PIN pad is sending every button press to the UART interface. An attacker can use the interface to exfiltrate PINs. As the devices are explicitly built as Plug-and-Play to be easily replaced, an attacker is easily able to remove the device, install a hardware implant which connects to the UART and exfiltrates the data exposed via UART to another system (e.g. via WiFi).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Clemens Stockenreitner, SEC Consult Vulnerability Lab
  • Werner Schober, SEC Consult Vulnerability Lab

References

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Affected Vendor

Affected Software

dormakaba registration unit 9002
Vulnerable Versions:
<SW0039

Timeline

Official Publish: January 26th, 2026
Last Modified: March 3rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-1295

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.