Out-of-bounds Read in Broadcom Bcm5820x

CVE-2025-24311

An out-of-bounds read vulnerability exists in the cv_send_blockdata functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior to 6.2.26.36. A specially crafted ControlVault API call can lead to an information leak. An attacker can issue an API call to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-24311: held from 0.019 to 0.020.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-24311?
CVE-2025-24311 is a high-severity vulnerability in Broadcom Bcm5820x, classified under Out-of-bounds Read. CVSS score: 8.4/10. Published 2025-06-13.
How severe is CVE-2025-24311?
High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2025-24311 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.