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CVE-2026-18812— H3C NX15 esps esps.ipv6.wan command injection

CVSS 7.2 · High EPSS 2.26% · P82

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
H3CNX15V100R017affected
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I. Basic Information for CVE-2026-18812

Vulnerability Information
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Vulnerability Title
H3C NX15 esps esps.ipv6.wan command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in H3C NX15 V100R017. The impacted element is the function esps.ipv6.wan of the file /api/esps. Executing a manipulation of the argument workMode can lead to command injection. It is possible to launch the attack remotely. The exploit has been published 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:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
H3C NX15 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H3C NX15是中国H3C公司的一款路由器。 H3C NX15 V100R017版本存在安全漏洞，该漏洞源于文件/api/esps中函数esps.ipv6.wan对参数workMode的操作，可能导致命令注入。
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

VendorProductAffected VersionsCPESubscribe
H3CNX15 V100R017 cpe:2.3:a:h3c:nx15:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18812

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 12967 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-18812

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Proof of Concept for CVE-2026-18812 (1)

Same Patch Batch · H3C · 2026-08-04 · 5 CVEs total

CVE-2026-188107.3 HIGHH3C NX15 networkSetup missing authentication
CVE-2026-188117.2 HIGHH3C NX15 esps add command injection
CVE-2026-188137.2 HIGHH3C NX15 esps delete command injection
CVE-2026-188147.2 HIGHH3C NX15 esps reload.reload_config command injection

IV. Related Vulnerabilities

Same product: NX15
Same vendor: H3C
Same weakness: CWE-77

V. Comments for CVE-2026-18812

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