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CVE-2025-7794— Tenda FH451 NatStaticSetting fromNatStaticSetting stack-based overflow

CVSS 8.8 · High EPSS 1.02% · P61

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-7794

Vulnerability Information
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Vulnerability Title
Tenda FH451 NatStaticSetting fromNatStaticSetting stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromNatStaticSetting of the file /goform/NatStaticSetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched 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
Tenda FH451 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda FH451是中国腾达（Tenda）公司的一款路由器。 Tenda FH451 1.0.0.9版本存在安全漏洞，该漏洞源于对文件/goform/NatStaticSetting中参数page的错误操作导致栈缓冲区溢出。
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
TendaFH451 1.0.0.9 -

II. Public POCs for CVE-2025-7794

#POC DescriptionSource LinkShenlong Link
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Qwen3.6-35B-A3B · 5539 chars
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III. Intelligence Information for CVE-2025-7794

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Proof of Concept for CVE-2025-7794 (1)

Same Patch Batch · Tenda · 2025-07-18 · 8 CVEs total

CVE-2025-78078.8 HIGHTenda FH451 SafeUrlFilter fromSafeUrlFilter stack-based overflow
CVE-2025-78068.8 HIGHTenda FH451 SafeClientFilter fromSafeClientFilter stack-based overflow
CVE-2025-78058.8 HIGHTenda FH451 PPTPUserSetting fromPptpUserSetting stack-based overflow
CVE-2025-77968.8 HIGHTenda FH451 PPTPDClient fromPptpUserAdd stack-based overflow
CVE-2025-77958.8 HIGHTenda FH451 P2pListFilter fromP2pListFilter stack-based overflow
CVE-2025-77938.8 HIGHTenda FH451 webtypelibrary formWebTypeLibrary stack-based overflow
CVE-2025-77928.8 HIGHTenda FH451 SafeEmailFilter formSafeEmailFilter stack-based overflow

IV. Related Vulnerabilities

Same product: FH451
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-7794

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