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Vulnerability record · CVE-2026-2815 · published 25 June 2026
CVE-2026-2815: Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
8.4 CVSS 4.0 High EPSS 0.25% · top 85.2% CWE-339 · CWE-339 Awaiting Analysis
8.4CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
25 Jun 2026Last modified by NVD
Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:
References
Track CVE-2026-2815 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Source: NIST National Vulnerability Database (record CVE-2026-2815), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
