CVE-2025-14055 LOW

CVE-2025-14055: Integer underflow in Secure NCP host

Vendor Silabs.com
Product Simplicity SDK, Gecko SDK
Weakness CWE-191
Published February 20, 2026
Last update April 24, 2026

CVSS base score

2.4/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.

Key dates

02Disclosure timeline

February 20, 2026 CVE published
April 24, 2026 Record updated