Riskcovery

CVE-2025-14055

Integer underflow in Secure NCP host

State
Published
Severity
2.4 Low
Published
Feb 20, 2026
Updated
Apr 24, 2026
Reserved
Dec 4, 2025

Read the record on cve.org

Description

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

Scores

CVSSScoreVectorSource
4.02.4 LowCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NSilabs

Weaknesses

  • CWE-191 Integer Underflow (Wrap or Wraparound)
  • CWE-125 Out-of-bounds Read

Affected Products

ProductVersions
Simplicity SDK, Gecko SDKsilabs.com
  • 2025.12.0 through 2025.12.1Affected
  • 2025.6.2 and earlierAffected

References

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