{"affected":[{"affectedData":[{"defaultStatus":"unaffected","packageName":"SiSDK,GSDK","product":"OpenThread","repo":"https://github.com/SiliconLabs/simplicity_sdk","vendor":"silabs.com","versions":[{"lessThanOrEqual":"2.5.2","status":"affected","version":"2.5.0","versionType":"semver"},{"lessThanOrEqual":"2.6.2","status":"affected","version":"2.6.0","versionType":"semver"},{"lessThanOrEqual":"2.4.6","status":"affected","version":"0","versionType":"semver"}]}],"source":"product-security@silabs.com"}],"cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"En entornos de alto tráfico, Silicon Labs OpenThread RCP (ver versiones afectadas) no logra borrar el búfer de transmisión SPI y puede enviar un paquete corrupto a través de SPI a su host, lo que hace que el host restablezca el RCP y esto resulte en una denegación de servicio."}],"id":"CVE-2025-2329","lastModified":"2026-06-17T09:06:45.960","metrics":{"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","availabilityRequirement":"NOT_DEFINED","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"product-security@silabs.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-2329","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-07-25T18:02:09.908641Z","version":"2.0.3"}}]},"published":"2025-07-25T16:15:28.163","references":[{"source":"product-security@silabs.com","url":"https://community.silabs.com/069Vm00000SNyueIAD"},{"source":"product-security@silabs.com","url":"https://github.com/SiliconLabs/gecko_sdk/releases"},{"source":"product-security@silabs.com","url":"https://github.com/SiliconLabs/simplicity_sdk/releases"}],"sourceIdentifier":"product-security@silabs.com","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-908"}],"source":"product-security@silabs.com","type":"Secondary"}]}