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5.5

Supermicro BMC Shared Library Allows Malicious Code Execution

CVE-2025-8404 · published 11 months ago
Summary

An attacker with access to the Supermicro Baseboard Management Controller (BMC) can inject malicious code into the system, potentially allowing them to control the BMC's firmware. This could compromise the security of the entire system. Regular updates and secure access controls are essential to prevent exploitation.

Original advisory text
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 co...
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
5.5 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
Timeline
Published18 Nov 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-8404 · NVD
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