CVE-2025-31361: Broadcom BCM5820X

High severity, CVSS 8.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A privilege escalation vulnerability exists in the ControlVault WBDI Driver WBIO_USH_ADD_RECORD 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 privilege escalation. An attacker can issue an api call to trigger this vulnerability.

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.