CVE-2026-112373— H3C Magic NX15 usrlist sub_416874 stack-based overflow
Quick assessment
Affected
H3C Magic NX15
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 H3C Magic NX15（版本 NX15V100R017）中发现了一个安全漏洞。该漏洞影响 文件中的 函数，可导致栈缓冲区溢出。攻击者可远程利用此漏洞发起攻击。相关利用代码已在公开渠道披露，可能被恶意利用。厂商已就此次披露在早期阶段收到通知。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-112373
Vulnerability Information
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Vulnerability Title
H3C Magic NX15 usrlist sub_416874 stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in H3C Magic NX15 NX15V100R017. This impacts the function sub_416874 of the file /usr/bin/usrlist. Such manipulation leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| H3C | Magic NX15 | NX15V100R017 |
cpe:2.3:o:h3c:magic_nx15_firmware:*:*:*:*:*:*:*:*
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II. Public POCs for CVE-2026-112373
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Proof of Concept for CVE-2026-112373 (1)
Same Patch Batch · H3C · 2026-10-19 · 4 CVEs total
| CVE-2026-112370 | 9.9 CRITICAL | H3C Magic NX15 usrlist sub_416874 os command injection |
| CVE-2026-112371 | 9.9 CRITICAL | H3C Magic NX15 RPC esps write code injection |
| CVE-2026-112372 | 6.6 MEDIUM | H3C Magic NX15 upload importprofile path traversal |
IV. Related Vulnerabilities
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CVE-2026-112372
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CVE-2026-112371
H3C Magic NX15 RPC esps write code injection -
CVE-2026-112370
H3C Magic NX15 usrlist sub_416874 os command injection -
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H3C Magic NX15 RPC esps write code injection -
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H3C Magic NX15 usrlist sub_416874 os command injection -
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Same weakness: CWE-121
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