Description
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.
References (1)
Core 1
Core References
Various Sources vendor-advisory
permissions-required
https://community.silabs.com/068Vm00000b9fBW
Scores
CVSS v4
1.0
EPSS
0.0014
EPSS Percentile
3.6%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-331
Status
published
Products (1)
silabs.com/Simplicity SDK
< 2025.12.0
Published
Feb 09, 2026
Tracked Since
Feb 18, 2026