A vulnerability was found in TOZED ZLT W51 up to 1.4.2 and classified as critical. Affected by this issue is some unknown functionality of the component Service Port 7777. The manipulation leads to improper clearing of heap memory before release.

This vulnerability is handled as CVE-2025-5105. The attack may be launched remotely. Furthermore, there is an exploit available.

It is recommended to apply restrictive firewalling.

The vendor was contacted early about this disclosure but did not respond in any way.