CVE-2025-14055: silabs.com Simplicity SDK, Gecko SDK · Integer Underflow
Affects silabs.com Simplicity SDK, Gecko SDKSource CVE Database V5
Not known to be exploited · CVSS 2.4 Low.
Data as of 26 Oct 2026, 11:07 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| silabs.comSimplicity SDK, Gecko SDK | Affected
| Fixed in– |
AI-suggested
Until an official fix is released, users should limit physical access to affected devices and monitor for updates from Silicon Labs regarding patches or mitigations.
Description
An integer underflow vulnerability in Silicon Labs Secure NCP host implementation allows a buffer overread via a specially crafted packet.