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CVE-2026-10259— H3C Magic B0 aspForm SetMobileAPInfoById stack-based overflow

Quick assessment

Affected
H3C Magic B0
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 Magic B0是中国新华三（H3C）公司的一款小型无线路由器。 H3C Magic B0 100R002及之前版本存在安全漏洞，该漏洞源于文件/goform/aspForm中函数SetMobileAPInfoById对参数param操作不当，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.48% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
H3C Magic B0 100R002 affected
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I. Basic Information for CVE-2026-10259

Vulnerability Information
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Vulnerability Title
H3C Magic B0 aspForm SetMobileAPInfoById stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in H3C Magic B0 up to 100R002. The affected element is the function SetMobileAPInfoById of the file /goform/aspForm. Such manipulation of the argument param leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
H3C Magic B0 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
H3C Magic B0是中国新华三（H3C）公司的一款小型无线路由器。 H3C Magic B0 100R002及之前版本存在安全漏洞，该漏洞源于文件/goform/aspForm中函数SetMobileAPInfoById对参数param操作不当，可能导致栈缓冲区溢出。
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 Magic B0 100R002 cpe:2.3:a:h3c:magic_b0:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10259

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7533 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-10259

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Exploits & Public PoCs for CVE-2026-10259 (1)

Proof of Concept for CVE-2026-10259 (1)

IV. Related Vulnerabilities

Same product: Magic B0
Same vendor: H3C
Same weakness: CWE-121