CVE-2026-3821
Received Received - Intake

Arbitrary Code Execution in Supermicro SMASH for X14DBG-DAP and X14DBI

Vulnerability report for CVE-2026-3821, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-22

Last updated on: 2026-07-22

Assigner: Super Micro Computer, Inc.

Description

Supermicro (SMC) SMASH services contain an Arbitrary code execution issue inΒ X14DBG-DAP and X14DBI. An authorized attacker can exploit SMASH’s input capability to compromise data integrity or launch a Denial-of-Service (DoS) attack against the BMC.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-22
Last Modified
2026-07-22
Generated
2026-07-22
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
supermicro x14dbg-dap *
supermicro x14dbi *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
AI Quick Actions have not been generated yet.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-3821. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart