CVE-2025-14055 - Vulnerability Details - OpenCVE

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

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0001.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

silabs.com

Simplicity SDK

unaffected

Version	Status	Constraints
`0`	affected	≤ 2025.12.1

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://community.silabs.com/068Vm00000gvJlq

History

Fri, 20 Feb 2026 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 20 Feb 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
Title		Integer underflow in Secure NCP host
Weaknesses		CWE-125 CWE-191
References		https://community.silabs.com/068Vm00000gvJlq
Metrics		cvssV4_0 `{'score': 2.4, '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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Silabs

Published: 2026-02-20T14:45:10.310Z

Updated: 2026-02-20T20:36:20.081Z

Reserved: 2025-12-04T17:50:34.480Z

Link: CVE-2025-14055

Vulnrichment

Updated: 2026-02-20T20:35:58.753Z

NVD

Status : Awaiting Analysis

Published: 2026-02-20T15:20:28.977

Modified: 2026-02-20T15:34:10.670

Link: CVE-2025-14055

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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