CVE-2026-110958

CVE-2026-110958 · Wavlink WN530HG4B api.cgi heap-based overflow

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A vulnerability was found in Wavlink WN530HG4B M30HG4B_V260724. The impacted element is an unknown function of the file api.cgi. The manipulation results in heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026-09-24-841a51c6d5_tclinux.bin is sufficient to resolve this issue. The affected component should be upgraded. The vendor confirms: "We confirm the finding, and it has already been addressed. In the current firmware the api=info&client=app handler no longer builds a shell command: the login script is now invoked through an argument vector (execvp) instead of system(), and the client address is length-limited and null-checked."

CVSS 10.0 · Critical · EPSS 1.0% · Fix available

Published

2026-10-15T15:30:18.031Z

Updated

2026-10-15T18:34:20.350Z

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