A security vulnerability has been detected

A security vulnerability has been detected in our systems.

This vulnerability affects the KDC3905 keyboard; KDC1905 firmware version 9; BM0900 modular bases; and the ZS3945 combination lock.

A security flaw allows attackers to gain unauthorized access to the system in specific situations and using specially crafted devices. We recommend updating your systems as soon as possible:

- 1905 - to version v9r26.138 Direct link: https://kdc3000.proel.pl/KDC1905/firmware_v9/v9r26.138/ 
- 3905 - to version v9r26.138 Direct link: https://kdc3000.proel.pl/KDC3900/firmware/v9.26.xx/v9.26.138/

We will upload versions for the remaining systems to the server soon.

IMPORTANT - MUST PERFORM THIS UPDATE.

At the same time, the systems will also be improved in other areas of operation and supplemented with new features - we recommend reviewing the changelog file https://kdc3000.proel.pl/KDC3900/firmware/39xx%20-%20historia.html