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CVE-2026-18900— H3C NX15 Backend RPC esps file.exec os command injection

Quick assessment

Affected
H3C NX15
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

H3C NX15是中国H3C公司的一款提供高速无线网络连接的路由器。 H3C NX15 V100R017版本存在命令注入漏洞，该漏洞源于组件Backend RPC中文件/api/esps的file.exec函数对参数File的操作，可能导致操作系统命令注入。

CVSS 7.2 · High EPSS 3.82% · P90

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
H3C NX15 V100R017 affected
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I. Basic Information for CVE-2026-18900

Vulnerability Information
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Vulnerability Title
H3C NX15 Backend RPC esps file.exec os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in H3C NX15 V100R017. This impacts the function file.exec of the file /api/esps of the component Backend RPC. This manipulation of the argument File causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
H3C NX15 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H3C NX15是中国H3C公司的一款提供高速无线网络连接的路由器。 H3C NX15 V100R017版本存在命令注入漏洞，该漏洞源于组件Backend RPC中文件/api/esps的file.exec函数对参数File的操作，可能导致操作系统命令注入。
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
H3C NX15 V100R017 cpe:2.3:a:h3c:nx15:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18900

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 11022 chars
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III. Intelligence Information for CVE-2026-18900

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Proof of Concept for CVE-2026-18900 (1)

News Coverage for CVE-2026-18900 (1)

Same Patch Batch · H3C · 2026-08-05 · 3 CVEs total

CVE-2026-18901 7.2 HIGH H3C NX15 Web API esps service.add routine
CVE-2026-18902 7.2 HIGH H3C NX15 esps repeaterproc command injection

IV. Related Vulnerabilities

Same product: NX15
Same vendor: H3C
Same weakness: CWE-78

V. Comments for CVE-2026-18900

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