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CVE-2026-2815

HIGH
8.4
CVSS 4.0
Description
Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

Metadata

CVE ID
CVE-2026-2815
State
PUBLISHED
Assigner
Silabs
Reserved
2026-02-19 16:49 UTC
Published
2026-06-25 13:27 UTC
Last updated
2026-06-25 14:03 UTC
Primary CWE
CWE-339
CWE-339 Small seed space in PRNG
Vendor / Product
Silicon Labs / SiSDK
Sources
cve.org  ·  NVD

Severity & Metrics

8.4 HIGH CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Silicon Labs SiSDK 0 ≤ 2025.12.1
Weakness (CWE)
CWESourceDescription
CWE-339 cna CWE-339 Small seed space in PRNG
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.4 HIGH 4.0 cna 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
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