CVE-2025-4053 — Unauthorized creation of master key in Mifare Classic Be-Tech cards

CVE-2025-4053

Unauthorized creation of master key in Mifare Classic Be-Tech cards PUBLISHED

Description (CNA)

The data stored in Be-Tech Mifare Classic card is stored in cleartext. An attacker having access to a Be-Tech hotel guest Mifare Classic card can create a master key card that unlocks all the locks in the building. This issue affects all Be-Tech Mifare Classic card systems. To fix the vulnerability, it is necessary to replace the software, encoder, cards, and PCBs in the locks.

Affected (CNA)

Vendor / product	Versions
Be-Tech / Mifare Classic cards	affected 0 through *

CWE

CWE-312

References

https://cert.pl/en/posts/2025/05/CVE-2025-4053/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.