Critical (9.1) in silabs openthread sdk. EPSS 0.2% chance of exploitation in the next 30 days.
Missing Encryption of Security Keys vulnerability in Silicon Labs OpenThread SDK on 32 bit, ARM (SecureVault High modules) allows potential modification or extraction of network credentials stored in flash.
This issue affects Silicon Labs OpenThread SDK: 2.3.1 and earlier.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)