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CVE-2026-5566— UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow

Quick assessment

Affected
UTT HiPER 1250GW
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.

UTT HiPER 1250GW是中国艾泰（UTT）公司的一款无线网关设备。 UTT HiPER 1250GW 3.2.7-210907-180535及之前版本存在安全漏洞，该漏洞源于对文件/goform/formNatStaticMap中参数NatBind的错误操作，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.79% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5566

Vulnerability Information
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Vulnerability Title
UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBind results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.
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
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
UTT HiPER 1250GW 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT HiPER 1250GW是中国艾泰（UTT）公司的一款无线网关设备。 UTT HiPER 1250GW 3.2.7-210907-180535及之前版本存在安全漏洞，该漏洞源于对文件/goform/formNatStaticMap中参数NatBind的错误操作，可能导致缓冲区溢出。
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
UTT HiPER 1250GW 3.2.7-210907-180535 -

II. Public POCs for CVE-2026-5566

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8768 chars
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III. Intelligence Information for CVE-2026-5566

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Vendor Advisories for CVE-2026-5566 (2)

IV. Related Vulnerabilities

Same product: HiPER 1250GW
Same vendor: UTT
Same weakness: CWE-120

V. Comments for CVE-2026-5566

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