CVE-2026-5339

CWE-74CWE-77 — Command Injection3 documents3 sources
Severity
5.1MEDIUM
EPSS
0.1%
top 65.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda G103Tenda G103 Firmware
Timeline
PublishedApr 2

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.

CVSS 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

Affected Packages2 packages

▶CVEListV5tenda/g1031.0.0.5
▶NVDtenda/g103_firmware1.0.0.5

🔴Vulnerability Details

2
GHSA
GHSA-7g3h-f8vq-89vv: A vulnerability was detected in Tenda G103 1↗2026-04-02
▶
CVEList
Tenda G103 Setting gpon.lua action_set_net_settings command injection↗2026-04-02
▶
CVE-2026-5339 (MEDIUM CVSS 5.1) | A vulnerability was detected in Ten | cvebase.io