Vulnerability in Casfid Servicios Tecnológicos Nfc Wristbands
CVE-2026-4648
Use of an insecure cryptographic algorithm in the cashless payment system using NFC wristbands from CasfID Servicios Tecnológicos S.L.U. (version used at Resurrection Fest 2025), which employs cards based on MIFARE Classic technology (FM11…
Affected products
- Casfid Servicios Tecnológicos Nfc Wristbands — versions FM11RF08S variant