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CVE-2026-76003— UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow

Quick assessment

Affected
UTT HiPER 1200GW
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 1200gw是中国UTT公司的一款企业级无线路由器。 UTT hiper 1200gw 2.5.3-170306及之前版本存在缓冲区错误漏洞，该漏洞源于/goform/formGroupConfig文件中strcpy函数对timestart参数操作不当，可能导致栈缓冲区溢出，攻击者可远程利用。

CVSS 9.9 · Critical EPSS 0.46% · P38

Affected Version Matrix 1

VendorProduct Version RangeStatus
UTT HiPER 1200GW 2.5.3-170306 affected
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I. Basic Information for CVE-2026-76003

Vulnerability Information
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Vulnerability Title
UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is the function strcpy of the file /goform/formGroupConfig. Executing a manipulation of the argument timestart can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
UTT hiper 1200gw 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT hiper 1200gw是中国UTT公司的一款企业级无线路由器。 UTT hiper 1200gw 2.5.3-170306及之前版本存在缓冲区错误漏洞，该漏洞源于/goform/formGroupConfig文件中strcpy函数对timestart参数操作不当，可能导致栈缓冲区溢出，攻击者可远程利用。
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 1200GW 2.5.3-170306 cpe:2.3:a:utt:hiper_1200gw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-76003

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7264 chars
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III. Intelligence Information for CVE-2026-76003

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Proof of Concept for CVE-2026-76003 (1)

IV. Related Vulnerabilities

Same product: HiPER 1200GW
Same vendor: UTT
Same weakness: CWE-121

V. Comments for CVE-2026-76003

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