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CVE-2026-3698— UTT HiPER 810G NTP strcpy buffer overflow

Quick assessment

Affected
UTT HiPER 810G
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 810G是中国艾泰（UTT）公司的一个防火墙路由器。 UTT HiPER 810G 1.7.7-171114及之前版本存在安全漏洞，该漏洞源于对文件/goform/NTP中函数strcpy的错误操作，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 1.05% · P63
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I. Basic Information for CVE-2026-3698

Vulnerability Information
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Vulnerability Title
UTT HiPER 810G NTP strcpy buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in UTT HiPER 810G up to 1.7.7-171114. This affects the function strcpy of the file /goform/NTP. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might 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 810G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT HiPER 810G是中国艾泰（UTT）公司的一个防火墙路由器。 UTT HiPER 810G 1.7.7-171114及之前版本存在安全漏洞，该漏洞源于对文件/goform/NTP中函数strcpy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 810G 1.7.7-171114 -

II. Public POCs for CVE-2026-3698

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10662 chars
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III. Intelligence Information for CVE-2026-3698

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Vendor Advisories for CVE-2026-3698 (2)

Other References for CVE-2026-3698 (1)

Same Patch Batch · UTT · 2026-03-08 · 3 CVEs total

CVE-2026-3700 8.8 HIGH UTT HiPER 810G formConfigDnsFilterGlobal strcpy buffer overflow
CVE-2026-3699 8.8 HIGH UTT HiPER 810G formRemoteControl strcpy buffer overflow

IV. Related Vulnerabilities

Same product: HiPER 810G
Same vendor: UTT
Same weakness: CWE-120

V. Comments for CVE-2026-3698

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