CVE-2026-5339

HighCVSS 8.8/10Last modified Jul 24, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-74CWE-77

Affected software

No affected versions have been published.

Timeline

Published
Apr 2, 2026
Last modified
Jul 24, 2026
NVD status
Analyzed

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CVE-2026-5339: High severity, CVSS 8.8 | Vulnix