Buffer overflow in Smci Mbd-X13sedw-F

CVE-2025-8404

Stack buffer overflow vulnerability exists in the Supermicro BMC Shared library. An authenticated attacker with access to the BMC exploit stack buffer via a crafted  header and achieve arbitrary code execution of the BMC’s firmware operating system.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% 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-2025-8404: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-8404?
CVE-2025-8404 is a medium-severity vulnerability in Smci Mbd-X13sedw-F, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2025-11-18.
How severe is CVE-2025-8404?
Medium severity. CVSS v3 base score is 5.5 out of 10.