Description

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

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-339 CWE-339

References

Other References

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

Frequently Asked Questions

What is CVE-2026-2815? +

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

How do I check if I'm vulnerable to CVE-2026-2815? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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