Tenda · Tenda G103 · CVE-2026-5339
**Name of the Vulnerable Software and Affected Versions**
Tenda G103 version 1.0.0.5
**Description**
A flaw exists in the Setting Handler component of the Tenda G103, specifically within the `action set net settings` function of the `gpon.lua` file. Manipulation of the `authLoid`, `authLoidPassword`, `authPassword`, `authSerialNo`, `authType`, `oltType`, `usVlanId`, or `usVlanPriority` arguments can lead to command injection. This issue is remotely exploitable.
**Recommendations**
Update to a newer version that contains a fix for this vulnerability.