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I. Basic Information for CVE-2026-5338
Vulnerability Information

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Vulnerability Title
Tenda G103 Setting system.lua action_set_system_settings command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in Tenda G103 1.0.0.5. The affected element is the function action_set_system_settings of the file system.lua of the component Setting Handler. Such manipulation of the argument lanIp leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Tenda G103 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda G103是中国腾达(Tenda)公司的一个专为家庭、SOHO 用户设计的GPON 光纤接入设备。 Tenda G103 1.0.0.5版本存在命令注入漏洞,该漏洞源于组件Setting Handler的文件system.lua中函数action_set_system_settings对参数lanIp的操作不当,可能导致命令注入。
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
TendaG103 1.0.0.5 cpe:2.3:o:tenda:g103_firmware:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-5338
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III. Intelligence Information for CVE-2026-5338
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