CVE-2025-14140— UTT 进取 520W websHostFilter strcpy buffer overflow
Quick assessment
Affected
UTT 进取 520W
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
UTT 520W是中国艾泰（UTT）公司的一款无线路由器。 UTT 520W 1.7.7-180627版本存在安全漏洞，该漏洞源于对文件/goform/websHostFilter中参数addHostFilter的错误操作，可能导致缓冲区溢出。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-14140
Vulnerability Information
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Vulnerability Title
UTT 进取 520W websHostFilter strcpy buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/websHostFilter. Performing manipulation of the argument addHostFilter results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public 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:N/I:N/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 520W 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT 520W是中国艾泰（UTT）公司的一款无线路由器。 UTT 520W 1.7.7-180627版本存在安全漏洞，该漏洞源于对文件/goform/websHostFilter中参数addHostFilter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
II. Public POCs for CVE-2025-14140
| # | POC Description | Source Link | Shenlong Link |
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Same Patch Batch · UTT · 2025-12-06 · 3 CVEs total
| CVE-2025-14141 | 8.8 HIGH | UTT 进取 520W formArpBindConfig strcpy buffer overflow |
| CVE-2025-14139 | 5.7 MEDIUM | UTT 进取 520W formConfigDnsFilterGlobal strcpy buffer overflow |
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V. Comments for CVE-2025-14140
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