CVE-2026-2815

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

Published Jun 25, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silicon Labs
Silicon Labs sisdk
Vendors & Products Silicon Labs
Silicon Labs sisdk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Title Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Weaknesses CWE-339
References
Metrics cvssV4_0

{'score': 8.4, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Jun 25, 2026, 2:03 PM
Reserved
Feb 19, 2026, 4:49 PM
Status
Awaiting Analysis
Published
Jun 25, 2026, 2:16 PM
Modified
Oct 25, 2026, 11:10 PM