CVE-2025-36461: Broadcom BCM5820X

High severity, CVSS 7.3. EPSS: 0.1% chance of exploitation in the next 30 days.

Multiple out-of-bounds read and write vulnerabilities exist in the ControlVault WBDI Driver Broadcom Storage Adapter functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted WinBioControlUnit call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability. This vulnerability is triggered when submitting a `WinBioControlUnit` call to the StorageAdapter with the ControlCode 0 (`WBIO_USH_GET_TEMPLATE`) and with either and an invalid `ReceiveBuferSize` and/or an invalid `SendBufferSize`.

Affected products

• Broadcom BCM5820X
• Dell CONTROLVAULT3: before 5.15.14.19 (fixed in 5.15.14.19)
• Dell CONTROLVAULT3 Plus: before 6.2.36.47 (fixed in 6.2.36.47)

Published 2025-11-17. Last modified 2026-06-17.