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I. Basic Information for CVE-2026-5339
Vulnerability Information

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Vulnerability Title
Tenda G103 Setting gpon.lua action_set_net_settings command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Tenda G103 1.0.0.5. The impacted element is the function action_set_net_settings of the file gpon.lua of the component Setting Handler. Performing a manipulation of the argument authLoid/authLoidPassword/authPassword/authSerialNo/authType/oltType/usVlanId/usVlanPriority results in command injection. It is possible to initiate the attack remotely. The exploit is now public 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gpon.lua中函数action_set_net_settings对参数authLoid/authLoidPassword/authPassword/authSerialNo/authType/oltType/usVlanId/usVlanPriority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-2026-5339
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III. Intelligence Information for CVE-2026-5339
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