CVE-2025-7623

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

MEDIUM
5.4
CVSS Score
Published: November 18, 2025 at 07:05 AM UTC
Updated: October 18, 2026 at 08:10 PM UTC
1 product affected across 1 vendorX13SEDW-F

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMSupermicro
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

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