What is CVE-2025-36553?

CVE-2025-36553 is a high-severity vulnerability in Broadcom Bcm5820x, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-11-17.

How severe is CVE-2025-36553?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Broadcom Bcm5820x

CVE-2025-36553

A buffer overflow vulnerability exists in the CvManager functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to memory corruption. An att…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Broadcom Bcm5820x — versions NA
Dell Controlvault3 — versions 0
Dell Controlvault3 Plus — versions 0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

Frequently asked questions

What is CVE-2025-36553?: CVE-2025-36553 is a high-severity vulnerability in Broadcom Bcm5820x, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-11-17.
How severe is CVE-2025-36553?: High severity. CVSS v3 base score is 8.8 out of 10.