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2.4
Silicon Labs Secure NCP: Malicious Packet Can Crash System
CVE-2025-14055
Summary
An integer underflow error in the Silicon Labs Secure NCP host implementation can be exploited by a hacker to crash the system. This could lead to a denial-of-service, making the system unavailable. Fixing the issue requires an update from Silicon Labs.
Original title
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
Original description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.
nvd CVSS4.0
2.4
Vulnerability type
CWE-125
Out-of-bounds Read
CWE-191
Published: 20 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026