SMC X14DBG-DAP/X14DBI 01.00.16.00 & 1.03.02.06 ATE via SMASH services
CVE-2026-3821 Published on July 22, 2026

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

NVD

Vulnerability Analysis

CVE-2026-3821 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Shell injection Vulnerability?

The software 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.

CVE-2026-3821 has been classified to as a Shell injection vulnerability or weakness.


Affected Versions

SMCI X14DBG-DAP,X14DBI: