CVE-2026-6483

High

Description

A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.

SeverityHigh

CVSS7.2

Exploit probability—

ProductWavlink Wl-wn530h4 Firmware

PublishedApr 17, 2026

First seenApr 17, 2026

Weakness typeCWE-78OS command injection CWE-77Command injection

How to fix

Patches

dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin

Affected products

Product	Affected versions	Fixed in
wavlink wl-wn530h4_firmware	20220721	—

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