CVE-2025-34502

Deck Mate 2 lacks a verified secure-boot chain and runtime integrity validation for its controller and display modules. Without cryptographic boot verification, an attacker with physical access can modify or replace the bootloader, kernel, or filesystem and gain persistent code execution on reboot. This weakness allows long-term firmware tampering that survives power cycles. The vendor indicates that more recent firmware updates strengthen update-chain integrity and disable physical update ports to mitigate related attack avenues.

CVSS 4.0

7.0CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-1326

Published

2025-10-24

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

References

• https://www.ioactive.com/wp-content/uploads/2025/05/IOActive-card-shuffler-security.pdf
• https://www.vulncheck.com/advisories/shuffle-master-deck-mate-2-missing-secure-boot

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