CVE-2025-7432CWE-331

DPA countermeasures not reseeded under certain conditions

Low · published February 9, 2026

CVSS v4.0
1.0
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions.

This may allow an attacker to eventually extract secret keys through a DPA attack.

The record
Technical detail
CVSS v4.0
1.0 · LOW
Vector
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00159 · 4.6th percentile
Weakness
CWE-331 · Insufficient Entropy
Published
2026-02-09T16:07Z
EPSS history
Timeline
  • 09 FEB 16:07Z
    DPA countermeasures not reseeded under certain conditions
    cvelistv5