CVE-2026-3821: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in SMCI X14DBG-DAP,X14DBI
CVE-2026-3821 is a high-severity vulnerability in Supermicro SMASH services affecting the X14DBG-DAP and X14DBI products. It involves improper neutralization of special elements used in OS commands, leading to OS command injection. An authorized attacker can exploit this flaw to execute arbitrary code, compromising data integrity or causing a denial-of-service (DoS) condition on the Baseboard Management Controller (BMC). The vulnerability affects specific versions 01.00.16.00 and 1.03.02.06. No official patch or remediation guidance has been provided by the vendor as of the publication date.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-3821) in Supermicro SMASH services X14DBG-DAP and X14DBI is due to improper neutralization of special elements in OS commands (CWE-78), allowing an authorized attacker to perform OS command injection. Exploitation can lead to arbitrary code execution, impacting confidentiality, integrity, and availability of the BMC. The CVSS v3.1 score is 8.8, indicating high severity with network attack vector, low attack complexity, and requiring privileges but no user interaction. Affected versions are exactly 01.00.16.00 and 1.03.02.06. No vendor advisory or patch is currently available.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary OS commands on the BMC, potentially compromising data integrity and causing denial-of-service. This impacts confidentiality, integrity, and availability of the affected systems. The high CVSS score reflects the critical nature of the impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to SMASH services to trusted administrators only and monitor for suspicious activity. No official fix or workaround has been published by the vendor as of now.
CVE-2026-3821: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in SMCI X14DBG-DAP,X14DBI
Description
CVE-2026-3821 is a high-severity vulnerability in Supermicro SMASH services affecting the X14DBG-DAP and X14DBI products. It involves improper neutralization of special elements used in OS commands, leading to OS command injection. An authorized attacker can exploit this flaw to execute arbitrary code, compromising data integrity or causing a denial-of-service (DoS) condition on the Baseboard Management Controller (BMC). The vulnerability affects specific versions 01.00.16.00 and 1.03.02.06. No official patch or remediation guidance has been provided by the vendor as of the publication date.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-3821) in Supermicro SMASH services X14DBG-DAP and X14DBI is due to improper neutralization of special elements in OS commands (CWE-78), allowing an authorized attacker to perform OS command injection. Exploitation can lead to arbitrary code execution, impacting confidentiality, integrity, and availability of the BMC. The CVSS v3.1 score is 8.8, indicating high severity with network attack vector, low attack complexity, and requiring privileges but no user interaction. Affected versions are exactly 01.00.16.00 and 1.03.02.06. No vendor advisory or patch is currently available.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary OS commands on the BMC, potentially compromising data integrity and causing denial-of-service. This impacts confidentiality, integrity, and availability of the affected systems. The high CVSS score reflects the critical nature of the impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to SMASH services to trusted administrators only and monitor for suspicious activity. No official fix or workaround has been published by the vendor as of now.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Supermicro
- Date Reserved
- 2026-03-09T02:52:17.984Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a60653e9c2644c7f8874727
Added to database: 07/22/2026, 06:37:50 UTC
Last enriched: 07/22/2026, 06:51:58 UTC
Last updated: 07/22/2026, 07:27:33 UTC
Views: 7
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