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
Description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| silicon_labs | secure_ncp | * |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The impact of this vulnerability is a buffer overread, which could potentially lead to information disclosure or unexpected behavior in the affected system.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
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.
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