CVE-2026-5338

Tenda G103 Setting system.lua action_set_system_settings command injection

Published Apr 2, 2026 CVSS 4.0 · 5.1 Medium EPSS 5.0% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:h:tenda:g103:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:g103_firmware:1.0.0.5:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Tenda g103
Vendors & Products Tenda g103
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Tenda G103 Setting system.lua action_set_system_settings command injection
First Time appeared Tenda
Tenda g103 Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:tenda:g103_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda g103 Firmware
References
Metrics cvssV2_0

{'score': 5.8, 'vector': 'AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.7, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Apr 2, 2026, 6:32 PM
Reserved
Apr 1, 2026, 2:09 PM
Status
Analyzed
Published
Apr 2, 2026, 2:16 PM
Modified
Oct 26, 2026, 9:10 PM