CVE-2025-6732— UTT HiPER 840G API setSysAdm strcpy buffer overflow
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I. Basic Information for CVE-2025-6732
Vulnerability Information
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Vulnerability Title
UTT HiPER 840G API setSysAdm strcpy buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in UTT HiPER 840G up to 3.1.1-190328. It has been classified as critical. This affects the function strcpy of the file /goform/setSysAdm of the component API. The manipulation of the argument passwd1 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
UTT HiPER 840G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UTT HiPER 840G是中国艾泰（UTT）公司的一款千兆企业级高性能路由器。 UTT HiPER 840G 3.1.1-190328及之前版本存在安全漏洞，该漏洞源于对文件/goform/setSysAdm中参数passwd1的错误操作,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 840G | 3.1.1-190328 | - |
II. Public POCs for CVE-2025-6732
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · UTT · 2025-06-26 · 3 CVEs total
| CVE-2025-6733 | 8.8 HIGH | UTT HiPER 840G API formConfigDnsFilterGlobal sub_416928 buffer overflow |
| CVE-2025-6734 | 8.8 HIGH | UTT HiPER 840G API formP2PLimitConfig sub_484E40 buffer overflow |
IV. Related Vulnerabilities
Same product: HiPER 840G
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UTT HiPER 840G getOneApConfTempEntry buffer overflow - CVE-2025-7571
UTT HiPER 840G aspApBasicConfigUrcp buffer overflow - CVE-2025-7570
UTT HiPER 840G aspRemoteApConfTempSend buffer overflow - CVE-2025-7118
UTT HiPER 840G formPictureUrl buffer overflow
Same vendor: UTT
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UTT HiPER 1250GW ConfigAdvideo strcpy buffer overflow - CVE-2026-7419
UTT HiPER 1250GW formTaskEdit_ap strcpy buffer overflow - CVE-2026-7418
UTT HiPER 1250GW NTP strcpy buffer overflow
Same weakness: CWE-120
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MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
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V. Comments for CVE-2025-6732
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