CVE-2026-3821

Supermicro SMASH service contain an Arbitrary code execution issue

Published Jul 22, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Supermicro (SMC) SMASH services contain an Arbitrary code execution issue in 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.

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 Smci
Smci x14dbg-dap
Smci x14dbi
Vendors & Products Smci
Smci x14dbg-dap
Smci x14dbi
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Supermicro (SMC) SMASH services contain an Arbitrary code execution issue in 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.
Title Supermicro SMASH service contain an Arbitrary code execution issue
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Supermicro
Published
Updated
Jul 22, 2026, 12:57 PM
Reserved
Mar 9, 2026, 2:52 AM
Status
Awaiting Analysis
Published
Jul 22, 2026, 7:16 AM
Modified
Oct 24, 2026, 5:10 PM