CVE-2026-6643 | ASUSTOR ADM up to 4.3.3.RR42/5.1.2.REO1 VPN Client sscanf stack-based overflow

A vulnerability classified as critical has been found in ASUSTOR ADM up to 4.3.3.RR42/5.1.2.REO1. The affected element is the function sscanf of the component VPN Client. Performing a manipulation results in stack-based buffer overflow.

This vulnerability is reported as CVE-2026-6643. The attack is possible to be carried out remotely. No exploit exists.