CVE-2026-5338

MEDIUM

Tenda G103 Setting system.lua action_set_system_settings command injection

Title source: cna

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.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/354669

[Signature, Permissions Required] https://vuldb.com/vuln/354669/cti

[Third Party Advisory] https://vuldb.com/submit/781131

[Exploit] https://github.com/ZZ2266/.github.io/tree/main/Tenda%20G103/action_set_system_settings

[Product] https://www.tenda.com.cn/

Scores

CVSS v3 4.7

EPSS 0.0037

EPSS Percentile 58.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-74 CWE-77

Status published

Products (2)

Tenda/G103 1.0.0.5

tenda/g103_firmware 1.0.0.5

Published Apr 02, 2026

Tracked Since Apr 02, 2026