CVE-2026-2815
HIGHCVSS 8.4/10EPSS 0.16%
Last modified
CVE-2026-2815 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys
Metrics
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:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | SiSDK | <= 2025.12.1 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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 severe is CVE-2026-2815?
CVE-2026-2815 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2026-2815?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-2815?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST