CVE-2025-7623 - CVE House
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Status published Medium CVE-2025-7623

Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability

Vulnerability Description

Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can exploit a stack buffer overflow via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC firmware operating system

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Coreweave Red Team and Hoang Bui from Coreweave

References

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CVE-2025-8727
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CVE-2025-8076
A stack buffer overflow vulnerability exists in the Supermicro BMC Web function
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CVE-2025-7937
Supermicro BMC firmware update validation bypass
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CVE-2025-7704
Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability
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Affected Vendor

Affected Software

MBD-X13SEDW-F
Vulnerable Versions:
01.04.11

Timeline

Official Publish: November 18th, 2025
Last Modified: November 18th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Weaknesses (CWE)

CWE-121

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact