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CVE-2026-3943— H3C ACG1000-AK230 aaa_portal_auth_local_submit command injection

Quick assessment

Affected
H3C ACG1000-AK230
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 ACG1000-AK230是中国新华三（H3C）公司的一款用于上网行为管理的安全网关设备。 H3C ACG1000-AK230 20260227及之前版本存在命令注入漏洞，该漏洞源于对文件/webui/?aaa_portal_auth_local_submit中参数suffix的错误操作，可能导致命令注入。

CVSS 7.3 · High EPSS 4.81% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3943

Vulnerability Information
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Vulnerability Title
H3C ACG1000-AK230 aaa_portal_auth_local_submit command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in H3C ACG1000-AK230 up to 20260227. This affects an unknown part of the file /webui/?aaa_portal_auth_local_submit. The manipulation of the argument suffix results in command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor is investigating and remediating this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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 ACG1000-AK230 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H3C ACG1000-AK230是中国新华三（H3C）公司的一款用于上网行为管理的安全网关设备。 H3C ACG1000-AK230 20260227及之前版本存在命令注入漏洞，该漏洞源于对文件/webui/?aaa_portal_auth_local_submit中参数suffix的错误操作，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

Vendor Product Affected Versions CPE Subscribe
H3C ACG1000-AK230 20260227 -

II. Public POCs for CVE-2026-3943

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 5379 chars
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III. Intelligence Information for CVE-2026-3943

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Vendor Advisories for CVE-2026-3943 (2)

Other References for CVE-2026-3943 (1)

IV. Related Vulnerabilities

Same vendor: H3C
Same weakness: CWE-77