High severity8.8NVD Advisory· Published Jul 22, 2026· Updated Jul 23, 2026

CVE-2026-3821

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.

Affected products

Supermicro/SMASHllm-create
Supermicro/X14DBG-DAPllm-create
Supermicro/X14DBIllm-create

Patches

Vulnerability mechanics

References

www.supermicro.com/en/support/security_BMC_IPMI_Jul_2026nvd

News mentions

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cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000