CVE-2026-3820

Description

There is a vulnerability in the Supermicro BMC SMTP service at Supermicro AS-2115HS-TNR. An attacker may obtain administrator privileges and inject specially crafted characters into the SMTP service configuration. This may cause the underlying system to execute unintended commands during process invocation. Potential impact includes denial-of-service attacks, arbitrary code execution, or permanent compromise of the controller.

PUBLISHED Reserved 2026-03-09 | Published 2026-06-04 | Updated 2026-06-05 | Assigner Supermicro

Problem types

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Product status

Credits

Coreweave Red Team and Hoang Bui from Coreweave finder

References

www.supermicro.com/en/support/security_BMC_IPMI_Jun_2026

cve.org (CVE-2026-3820)

nvd.nist.gov (CVE-2026-3820)

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