# CVE-2026-2815

## Summary

- **CVE ID:** CVE-2026-2815
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N)
- **CWE:** CWE-339
- **Published:** Jun 25, 2026
- **Last Modified:** Jun 25, 2026

## Description

Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

## Affected Products

- Silicon Labs — SiSDK (0)

## References

- [CNA](https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000kDYsfIAG?operationContext=S1)
- [CNA](https://github.com/SiliconLabsSoftware/sisdk-release)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.25%
- **EPSS Percentile:** 16.5

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._