Description
Dormakaba provides the software FWServiceTool to update the firmware version of the Access Managers via the network. The firmware in some instances is provided in an encrypted ZIP file. Within this tool, the password used to decrypt the ZIP and extract the firmware is set statically and can be extracted. This password was valid for multiple observed firmware versions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| dormakaba | Access Manager 92xx-k5 | All versions | — |
Advisories 1
- WID-SEC-2026-0214 dormakaba Access Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 27, 2026
References
- https://r.sec-consult.com/dormakaba technical-description
- https://r.sec-consult.com/dkaccess third-party-advisory
- https://www.dormakabagroup.com/en/security-advisories vendor-advisory