CVE-2026-3820— Supermicro BMC's SMTP service contains a command injection vulnerability
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| SMCI | AS-2115HS-TNR | 01.08.01 | affected |
01.06.04 | affected |
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I. Basic Information for CVE-2026-3820
Vulnerability Information
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Vulnerability Title
Supermicro BMC's SMTP service contains a command injection vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Supermicro AS-2115HS-TNR BMC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Supermicro AS-2115HS-TNR BMC是美国超微（Supermicro）公司的一个服务器带外管理控制系统。 Supermicro AS-2115HS-TNR BMC存在安全漏洞，该漏洞源于SMTP服务配置中注入特制字符，可能导致攻击者获取管理员权限，在进程调用期间执行非预期命令，包括拒绝服务攻击、任意代码执行或控制器永久受损。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SMCI | AS-2115HS-TNR | 01.08.01 | - |
II. Public POCs for CVE-2026-3820
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3820 (1)
IV. Related Vulnerabilities
Same vendor: SMCI
- CVE-2025-12007
Supermicro BMC firmware update validation bypass - CVE-2025-12006
Supermicro BMC firmware update validation bypass - CVE-2025-8727
A stack buffer overflow vulnerability exists in the Supermic - CVE-2025-8404
Stack buffer overflow vulnerability exists in the Supermicro - CVE-2025-8076
A stack buffer overflow vulnerability exists in the Supermic
V. Comments for CVE-2026-3820
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