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CVE-2026-14721— UTT HiPER 1250GW Web Endpoint ConfigWirelessBase_5g stack-based 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UTT公司的高性能路由器。 UTT HiPER 1250GW 3.2.7-210907-180535及之前版本存在缓冲区错误漏洞，该漏洞源于Web Endpoint组件的/goform/ConfigWirelessBase_5g文件参数ssid操作导致栈缓冲区溢出，容易受到远程攻击。

CVSS 8.8 · High EPSS 0.79% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
UTT HiPER 1250GW 3.2.7-210907-180535 affected
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I. Basic Information for CVE-2026-14721

Vulnerability Information
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Vulnerability Title
UTT HiPER 1250GW Web Endpoint ConfigWirelessBase_5g stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects an unknown function of the file /goform/ConfigWirelessBase_5g of the component Web Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
UTT HiPER 1250GW 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT hiper 1250gw是中国UTT公司的高性能路由器。 UTT HiPER 1250GW 3.2.7-210907-180535及之前版本存在缓冲区错误漏洞，该漏洞源于Web Endpoint组件的/goform/ConfigWirelessBase_5g文件参数ssid操作导致栈缓冲区溢出，容易受到远程攻击。
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 cpe:2.3:a:utt:hiper_1250gw:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14721

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 11550 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2026-14721

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Proof of Concept for CVE-2026-14721 (1)

IV. Related Vulnerabilities

Same product: HiPER 1250GW
Same vendor: UTT
Same weakness: CWE-121

V. Comments for CVE-2026-14721

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