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CVE-2025-3854— H3C GR-3000AX HTTP POST Request aspForm Edit_List_SSID buffer overflow

Quick assessment

Affected
H3C GR-3000AX
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 GR-3000AX是中国新华三（H3C）公司的一个企业级Wi-Fi 6无线路由器。 H3C GR-3000AX V100R006及之前版本存在安全漏洞，该漏洞源于文件/goform/aspForm中多个函数对参数param处理不当，导致缓冲区溢出。

CVSS 8.0 · High EPSS 0.56% · P44
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I. Basic Information for CVE-2025-3854

Vulnerability Information
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Vulnerability Title
H3C GR-3000AX HTTP POST Request aspForm Edit_List_SSID buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in H3C GR-3000AX up to V100R006. Affected is the function EnableIpv6/UpdateWanModeMulti/UpdateIpv6Params/EditWlanMacList/Edit_List_SSID of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to buffer overflow. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. Other functions might be affected as well.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
H3C GR-3000AX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H3C GR-3000AX是中国新华三（H3C）公司的一个企业级Wi-Fi 6无线路由器。 H3C GR-3000AX V100R006及之前版本存在安全漏洞，该漏洞源于文件/goform/aspForm中多个函数对参数param处理不当，导致缓冲区溢出。
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 GR-3000AX V100R006 -

II. Public POCs for CVE-2025-3854

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 10514 chars
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III. Intelligence Information for CVE-2025-3854

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Vendor Advisories for CVE-2025-3854 (3)

Proof of Concept for CVE-2025-3854 (1)

Vendor Pages for CVE-2025-3854 (1)

IV. Related Vulnerabilities

Same product: GR-3000AX
Same vendor: H3C
Same weakness: CWE-120

V. Comments for CVE-2025-3854

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