Medium (6.1) in brilliantts. EPSS 0.4% chance of exploitation in the next 30 days.
An attacker with physical access to a BrilliantTS FUZE card (MCU firmware 0.1.73, BLE firmware 0.7.4) can unlock the card, extract credit card numbers, and tamper with data on the card via Bluetooth because no authentication is needed, as demonstrated by gatttool.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)