Silabs OpenThread RCP up to 2.4.6/2.5.2/2.6.2 uninitialized resource

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Silabs OpenThread RCP up to 2.4.6/2.5.2/2.6.2. This impacts an unknown function. The manipulation leads to uninitialized resource. This vulnerability is documented as CVE-2025-2329. The attack requires being on the local network. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Silabs OpenThread RCP up to 2.4.6/2.5.2/2.6.2. This issue affects some unknown functionality. The manipulation with an unknown input leads to a uninitialized resource vulnerability. Using CWE to declare the problem leads to CWE-908. The product uses or accesses a resource that has not been initialized. Impacted is availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-2329 since 03/14/2025. The exploitation is known to be easy. The attack can only be initiated within the local network. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized resource
CWE: CWE-908
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/14/2025 CVE reserved
07/25/2025 +132 days Advisory disclosed
07/25/2025 +0 days VulDB entry created
07/29/2025 +4 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-2329 (🔒)
GCVE (CVE): GCVE-0-2025-2329
GCVE (VulDB): GCVE-100-317711

Entryinfo

Created: 07/25/2025 19:13
Updated: 07/29/2025 21:24
Changes: 07/25/2025 19:13 (63), 07/29/2025 21:24 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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