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CVE-2026-7080— Tenda F456 httpd PPTPUserSetting fromPPTPUserSetting buffer overflow

Quick assessment

Affected
Tenda F456
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.

Tenda F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在缓冲区错误漏洞，该漏洞源于httpd组件中/goform/PPTPUserSetting文件的fromPPTPUserSetting函数对参数delno操作不当，可能导致缓冲区溢出。攻击者可能远程发起攻击。

CVSS 8.8 · High EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7080

Vulnerability Information
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Vulnerability Title
Tenda F456 httpd PPTPUserSetting fromPPTPUserSetting buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly 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
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
Tenda F456 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F456是中国腾达（Tenda）公司的一款无线路由器。 Tenda F456 1.0.0.5版本存在缓冲区错误漏洞，该漏洞源于httpd组件中/goform/PPTPUserSetting文件的fromPPTPUserSetting函数对参数delno操作不当，可能导致缓冲区溢出。攻击者可能远程发起攻击。
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
Tenda F456 1.0.0.5 -

II. Public POCs for CVE-2026-7080

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III. Intelligence Information for CVE-2026-7080

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Proof of Concept for CVE-2026-7080 (1)

Same Patch Batch · Tenda · 2026-04-27 · 15 CVEs total

CVE-2026-7078 8.8 HIGH Tenda F456 httpd SetIpBind fromSetIpBind buffer overflow
CVE-2026-7079 8.8 HIGH Tenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow
CVE-2026-7081 8.8 HIGH Tenda F456 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
CVE-2026-7082 8.8 HIGH Tenda F456 httpd WrlExtraSet formWrlExtraSet buffer overflow
CVE-2026-7096 8.8 HIGH Tenda HG3 formgponConf os command injection
CVE-2026-7097 8.8 HIGH Tenda F456 httpd webExcptypemanFilter fromwebExcptypemanFilter buffer overflow
CVE-2026-7098 8.8 HIGH Tenda F456 httpd DhcpListClient fromDhcpListClient buffer overflow
CVE-2026-7099 8.8 HIGH Tenda F456 httpd QuickIndex formQuickIndex buffer overflow
CVE-2026-7100 8.8 HIGH Tenda F456 httpd Natlimit fromNatlimitof buffer overflow
CVE-2026-7101 8.8 HIGH Tenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow
CVE-2026-7119 8.8 HIGH Tenda HG3 formCountrystr os command injection
CVE-2026-7151 8.8 HIGH Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow
CVE-2026-7160 8.8 HIGH Tenda HG3 formTracert command injection
CVE-2026-7102 6.3 MEDIUM Tenda F456 httpd WriteFacMac FromWriteFacMac command injection

IV. Related Vulnerabilities

Same product: F456
Same vendor: Tenda
Same weakness: CWE-120

V. Comments for CVE-2026-7080

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