CVE-2025-14055

LOW

Silicon Labs Secure NCP - Buffer Overflow

Title source: llm
STIX 2.1

Description

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

References (1)

Scores

CVSS v4 2.4
EPSS 0.0001
EPSS Percentile 3.2%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125 CWE-191
Status published
Products (3)
silabs.com/Simplicity SDK < 2025.12.1
silabs.com/Simplicity SDK, Gecko SDK < 2025.6.2
silabs.com/Simplicity SDK, Gecko SDK 2025.12.0 - 2025.12.1
Published Feb 20, 2026
Tracked Since Feb 20, 2026