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Vulnerability Details :

CVE-2025-2329

Summary
Assigner-Silabs
Assigner Org ID-030b2754-1501-44a4-bef8-48be86a33bf4
Published At-25 Jul, 2025 | 15:49
Updated At-04 Aug, 2025 | 18:31
Rejected At-
Credits

High traffic causes corrupt SPI packets in OpenThread leading to denial of service

In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host,  causing the host to reset the RCP which results in a denial of service.

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:25 Jul, 2025 | 15:49
Updated At:04 Aug, 2025 | 18:31
Rejected At:
▼CVE Numbering Authority (CNA)
High traffic causes corrupt SPI packets in OpenThread leading to denial of service

In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host,  causing the host to reset the RCP which results in a denial of service.

Affected Products
Vendor
silabs.com
Product
OpenThread
Package Name
SiSDK,GSDK
Repo
https://github.com/SiliconLabs/simplicity_sdk
Default Status
unaffected
Versions
Affected
  • From 2.5.0 through 2.5.2 (semver)
  • From 2.6.0 through 2.6.2 (semver)
  • From 0 through 2.4.6 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-908CWE-908 Use of Uninitialized Resource
Type: CWE
CWE ID: CWE-908
Description: CWE-908 Use of Uninitialized Resource
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-125CAPEC-125 Flooding
CAPEC ID: CAPEC-125
Description: CAPEC-125 Flooding
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/SiliconLabs/simplicity_sdk/releases
release-notes
https://github.com/SiliconLabs/gecko_sdk/releases
release-notes
https://community.silabs.com/069Vm00000SNyueIAD
vendor-advisory
permissions-required
Hyperlink: https://github.com/SiliconLabs/simplicity_sdk/releases
Resource:
release-notes
Hyperlink: https://github.com/SiliconLabs/gecko_sdk/releases
Resource:
release-notes
Hyperlink: https://community.silabs.com/069Vm00000SNyueIAD
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:25 Jul, 2025 | 16:15
Updated At:29 Jul, 2025 | 14:14

In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host,  causing the host to reset the RCP which results in a denial of service.

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
Secondary4.05.3MEDIUM
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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-908Secondaryproduct-security@silabs.com
CWE ID: CWE-908
Type: Secondary
Source: product-security@silabs.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://community.silabs.com/069Vm00000SNyueIADproduct-security@silabs.com
N/A
https://github.com/SiliconLabs/gecko_sdk/releasesproduct-security@silabs.com
N/A
https://github.com/SiliconLabs/simplicity_sdk/releasesproduct-security@silabs.com
N/A
Hyperlink: https://community.silabs.com/069Vm00000SNyueIAD
Source: product-security@silabs.com
Resource: N/A
Hyperlink: https://github.com/SiliconLabs/gecko_sdk/releases
Source: product-security@silabs.com
Resource: N/A
Hyperlink: https://github.com/SiliconLabs/simplicity_sdk/releases
Source: product-security@silabs.com
Resource: N/A

Change History

0
Information is not available yet

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