Silicon Labs Series 2 Devices Differential Power Analysis Vulnerability Allowing Secret Key Extraction

Vulnerability

A vulnerability exists in Silicon Labs' Series 2 devices due to improper handling of DPA countermeasures, which are not adequately reseeded under certain conditions. This flaw may enable an attacker to extract secret keys over time through a DPA attack.

Impact

Exploitation of this vulnerability could lead to the extraction of secret keys from the affected device.

Added: Feb 9, 2026, 6:21 PM
Updated: Feb 9, 2026, 10:07 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
2.9
remediation
0.0
relevance
2.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.