CVE-2025-7623

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

Published Nov 18, 2025 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Supermicro
Supermicro mbd-x13sedw-f
Vendors & Products Supermicro
Supermicro mbd-x13sedw-f
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can overflow a 260-byte stack buffer via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC’s firmware operating system. 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
Type Values Removed Values Added
Description Stack-based buffer overflow in the SMASH-CLP shell. An authenticated attacker with SSH access to the BMC can overflow a 260-byte stack buffer via a crafted SMASH command, overwrite the return address and registers, and achieve arbitrary code execution on the BMC’s firmware operating system.
Title Supermicro BMC SMASH services has a Stack-based buffer overflow vulnerability
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Supermicro
Published
Updated
Nov 18, 2025, 4:15 PM
Reserved
Jul 14, 2025, 6:39 AM
Status
Deferred
Published
Nov 18, 2025, 7:15 AM
Modified
Oct 18, 2026, 8:10 PM