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CVE-2026-7119— Tenda HG3 formCountrystr os command injection

CVSS 8.8 · High EPSS 0.97% · P77
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I. Basic Information for CVE-2026-7119

Vulnerability Information
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Vulnerability Title
Tenda HG3 formCountrystr os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Tenda HG3 2.0. The impacted element is an unknown function of the file /boaform/formCountrystr. The manipulation of the argument countrystr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.
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
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tenda HG3 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda HG3是中国腾达（Tenda）公司的一款面向家庭宽带接入的光纤网络终端无线路由设备。 Tenda HG3 2.0版本存在命令注入漏洞，该漏洞源于/boaform/formCountrystr文件中未知函数对参数countrystr的操作导致OS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

VendorProductAffected VersionsCPESubscribe
TendaHG3 2.0 -

II. Public POCs for CVE-2026-7119

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III. Intelligence Information for CVE-2026-7119

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

CVE-2026-71608.8 HIGHTenda HG3 formTracert command injection
CVE-2026-71518.8 HIGHTenda HG3 formIPv6Routing formUploadConfig stack-based overflow
CVE-2026-71018.8 HIGHTenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow
CVE-2026-71008.8 HIGHTenda F456 httpd Natlimit fromNatlimitof buffer overflow
CVE-2026-70998.8 HIGHTenda F456 httpd QuickIndex formQuickIndex buffer overflow
CVE-2026-70988.8 HIGHTenda F456 httpd DhcpListClient fromDhcpListClient buffer overflow
CVE-2026-70978.8 HIGHTenda F456 httpd webExcptypemanFilter fromwebExcptypemanFilter buffer overflow
CVE-2026-70968.8 HIGHTenda HG3 formgponConf os command injection
CVE-2026-70828.8 HIGHTenda F456 httpd WrlExtraSet formWrlExtraSet buffer overflow
CVE-2026-70818.8 HIGHTenda F456 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
CVE-2026-70808.8 HIGHTenda F456 httpd PPTPUserSetting fromPPTPUserSetting buffer overflow
CVE-2026-70798.8 HIGHTenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow
CVE-2026-70788.8 HIGHTenda F456 httpd SetIpBind fromSetIpBind buffer overflow
CVE-2026-71026.3 MEDIUMTenda F456 httpd WriteFacMac FromWriteFacMac command injection

IV. Related Vulnerabilities

Same product: HG3
Same vendor: Tenda
Same weakness: CWE-78

V. Comments for CVE-2026-7119

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