CVE-2026-5338

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.

CVSS v3 4.7 MEDIUM
CVSS v2.0 5.8 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:M/C:P/I:P/A:P

Exploitability : 6.4 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication MULTIPLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/action_set_system_settings	Exploit Third Party Advisory
https://vuldb.com/submit/781131	Third Party Advisory VDB Entry
https://vuldb.com/vuln/354669	Third Party Advisory VDB Entry
https://vuldb.com/vuln/354669/cti	Permissions Required VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:g103_firmware:1.0.0.5:*:*:*:*:*:*:*

cpe:2.3:h:tenda:g103:-:*:*:*:*:*:*:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de seguridad ha sido detectada en Tenda G103 1.0.0.5. El elemento afectado es la función action_set_system_settings del archivo system.lua del componente Setting Gestor. Dicha manipulación del argumento lanIp conduce a inyección de comandos. El ataque puede ser realizado de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado.

Information

Published : 2026-04-02 14:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-5338

Mitre link : CVE-2026-5338

CVE.ORG link : CVE-2026-5338

JSON object : View

Products Affected

tenda

g103
g103_firmware

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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