CVE-2026-5339
Medium
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.
SeverityMedium
CVSS4.7
Exploit probability—
ProductTenda G103 Firmware
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-77Command injectionCWE-74Injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda g103_firmware | 1.0.0.5 | — |
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