8.7

CVE-2025-31361: broadcom bcm5820x Use of Uninitialized Resource

CVSS: 8.7v3.1HighDeferred
Published 17-11-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-31361 is a high (CVSS 8.7) Use of Uninitialized Resource vulnerability in broadcom bcm5820x. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.9% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-11-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.01 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Dell2 products
Broadcom1 product

2 vendors · 3 products

References

3 links