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CVE-2025-11653— UTT HiPER 2620G fNTP strcpy buffer overflow

CVSS 8.8 · High EPSS 0.69% · P49

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-11653

Vulnerability Information
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Vulnerability Title
UTT HiPER 2620G fNTP strcpy buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in UTT HiPER 2620G up to 3.1.4. Impacted is the function strcpy of the file /goform/fNTP. This manipulation of the argument NTPServerIP causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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
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 2620G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT HiPER 2620G是中国艾泰（UTT）公司的一款企业路由器。 UTT HiPER 2620G 3.1.4及之前版本存在安全漏洞，该漏洞源于文件/goform/fNTP中函数strcpy对参数NTPServerIP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

VendorProductAffected VersionsCPESubscribe
UTTHiPER 2620G 3.1.0 -

II. Public POCs for CVE-2025-11653

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7012 chars
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III. Intelligence Information for CVE-2025-11653

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Vendor Advisories for CVE-2025-11653 (2)

Other References for CVE-2025-11653 (1)

IV. Related Vulnerabilities

Same vendor: UTT
Same weakness: CWE-120

V. Comments for CVE-2025-11653

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