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Vulnerability Details :

CVE-2025-14055

Summary
Assigner-Silabs
Assigner Org ID-030b2754-1501-44a4-bef8-48be86a33bf4
Published At-20 Feb, 2026 | 14:45
Updated At-20 Feb, 2026 | 20:36
Rejected At-
Credits

Integer underflow in Secure NCP host

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

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Silabs
Assigner Org ID:030b2754-1501-44a4-bef8-48be86a33bf4
Published At:20 Feb, 2026 | 14:45
Updated At:20 Feb, 2026 | 20:36
Rejected At:
▼CVE Numbering Authority (CNA)
Integer underflow in Secure NCP host

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

Affected Products
Vendor
silabs.com
Product
Simplicity SDK
Package Name
SiSDK
Default Status
unaffected
Versions
Affected
  • From 0 through 2025.12.1 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-191CWE-191 Integer Underflow (Wrap or Wraparound)
CWECWE-125CWE-125 Out-of-bounds Read
Type: CWE
CWE ID: CWE-191
Description: CWE-191 Integer Underflow (Wrap or Wraparound)
Type: CWE
CWE ID: CWE-125
Description: CWE-125 Out-of-bounds Read
Metrics
VersionBase scoreBase severityVector
4.02.4LOW
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
Version: 4.0
Base score: 2.4
Base severity: LOW
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-100CAPEC-100 Overflow Buffers
CAPEC ID: CAPEC-100
Description: CAPEC-100 Overflow Buffers
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://community.silabs.com/068Vm00000gvJlq
vendor-advisory
permissions-required
Hyperlink: https://community.silabs.com/068Vm00000gvJlq
Resource:
vendor-advisory
permissions-required
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:product-security@silabs.com
Published At:20 Feb, 2026 | 15:20
Updated At:20 Feb, 2026 | 15:34

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

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.4LOW
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 2.4
Base severity: LOW
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-125Secondaryproduct-security@silabs.com
CWE-191Secondaryproduct-security@silabs.com
CWE ID: CWE-125
Type: Secondary
Source: product-security@silabs.com
CWE ID: CWE-191
Type: Secondary
Source: product-security@silabs.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://community.silabs.com/068Vm00000gvJlqproduct-security@silabs.com
N/A
Hyperlink: https://community.silabs.com/068Vm00000gvJlq
Source: product-security@silabs.com
Resource: N/A

Change History

0
Information is not available yet

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