CVE-2025-14055

Integer underflow in Secure NCP host

Published Feb 20, 2026 CVSS 4.0 · 2.4 Low EPSS < 1% KEV · Not listed
Description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silabs
Silabs simplicity Sdk
Vendors & Products Silabs
Silabs simplicity Sdk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Apr 24, 2026, 3:29 PM
Reserved
Dec 4, 2025, 5:50 PM
Status
Deferred
Published
Feb 20, 2026, 3:20 PM
Modified
Jun 17, 2026, 8:35 AM