CVE-2025-2329

Summary

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 Software

VendorProductVersion RangeStatus
silabs.comOpenThread2.5.0 <= 2.5.2affected
silabs.comOpenThread2.6.0 <= 2.6.2affected
silabs.comOpenThread0 <= 2.4.6affected

Weaknesses

  • CWE-908: CWE-908 Use of Uninitialized Resource

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References