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CVE-2026-7102— Tenda F456 httpd WriteFacMac FromWriteFacMac command injection

Quick assessment

Affected
Tenda F456
Exploitation
High exploitation probability; assess promptly
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版本存在注入漏洞，该漏洞源于httpd组件/goform/WriteFacMac文件中FromWriteFacMac函数对参数mac的操作导致命令注入，可能导致远程攻击。

CVSS 6.3 · Medium EPSS 6.47% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tenda F456 1.0.0.5 affected
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I. Basic Information for CVE-2026-7102

Vulnerability Information
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Vulnerability Title
Tenda F456 httpd WriteFacMac FromWriteFacMac command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda F456 1.0.0.5. This impacts the function FromWriteFacMac of the file /goform/WriteFacMac of the component httpd. The manipulation of the argument mac results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda F456 注入漏洞
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版本存在注入漏洞，该漏洞源于httpd组件/goform/WriteFacMac文件中FromWriteFacMac函数对参数mac的操作导致命令注入，可能导致远程攻击。
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-2026-7102

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III. Intelligence Information for CVE-2026-7102

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Proof of Concept for CVE-2026-7102 (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-2026-7080 8.8 HIGH Tenda F456 httpd PPTPUserSetting fromPPTPUserSetting 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

IV. Related Vulnerabilities

Same product: F456
Same vendor: Tenda
Same weakness: CWE-77

V. Comments for CVE-2026-7102

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