CVE-2026-120239 | WAVLINK WN553X1-B V260403_2.0.0 WireGuard CLI /bin/ioos sub_419DA8 file_id os command injection

October 31, 2026 Yanac

A vulnerability was found in WAVLINK WN553X1-B V260403_2.0.0. It has been rated as very critical. This vulnerability affects the function sub_419DA8 of the file /bin/ioos of the component WireGuard CLI Handler. Performing a manipulation of the argument file_id results in os command injection.

This vulnerability is reported as CVE-2026-120239. The attack is possible to be carried out remotely. Moreover, an exploit is present.

The vendor was contacted early about this disclosure.VulDB Recent EntriesRead More