CVE-2026-6923 PUBLISHED

Nuvoton - CWE-1300: Improper Protection of Physical Side Channels

Assigner: INCD
Reserved: 23.04.2026 Published: 14.05.2026 Updated: 14.05.2026

A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Metrics

CVSS Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 3.8

Product Status

Vendor Nuvoton
Product NPCT7xx
Versions Default: unaffected
  • Version all versions below 7.2.4.0 is affected

Solutions

Upgrade to version 7.2.4.0 or above.

Credits

  • Robin Muller, Roman Korkikian - uSec finder

References

Problem Types

  • CWE-1300 Improper protection of physical side channels CWE