CVE-2025-14055
Low
Description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
SeverityLow
CVSS2.4
Exploit probability—
ProductSimplicity SDK, Gecko SDK
PublishedFeb 20, 2026
First seenFeb 20, 2026
Weakness typeCWE-191CWE-191CWE-125Out-of-bounds read
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silabs.com Simplicity SDK, Gecko SDK | 2025.12.0 ≤ v ≤ 2025.12.1, v ≤ 2025.6.2 | — |
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