CVE-2025-14055
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Integer Underflow in Silicon Labs Secure NCP Causes Buffer Overread

Publication date: 2026-02-20

Last updated on: 2026-02-20

Assigner: Silicon Graphics (SGI)

Description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
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Meta Information
Published
2026-02-20
Last Modified
2026-02-20
Generated
2026-06-16
AI Q&A
2026-02-20
EPSS Evaluated
2026-06-15
NVD
CVE-2025-14055
EUVD
EUVD-2025-207677
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
silicon_labs secure_ncp *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
CWE-191 The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
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Impact Analysis

The impact of this vulnerability is a buffer overread, which could potentially lead to information disclosure or unexpected behavior in the affected system.

Executive Summary

This vulnerability is an integer underflow in the Silicon Labs Secure NCP host implementation. It allows a buffer overread when a specially crafted packet is processed.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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