Weak DPA Countermeasures in Silicon Labs' Series 2 Devices
CVE-2025-7432

1LOW

Key Information:

Vendor

Silabs.com

Status
Simplicity Sdk
Vendor
CVE Published:
9 February 2026

What is CVE-2025-7432?

DPA countermeasures in Silicon Labs' Series 2 devices fail to reseed under specific conditions, potentially allowing attackers to exploit this weakness. By conducting Differential Power Analysis (DPA) attacks, an adversary could extract sensitive cryptographic keys, compromising the security of data encryption.

Affected Version(s)

Simplicity SDK 0 < 2025.12.0

References

https://community.silabs.com/068Vm00000b9fBW
vendor-advisorypermissions-required

CVSS V4

Score:
1
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Physical
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.