A vulnerability, which was classified as very critical , has been found in Loytec LIP-ME20xC, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD up to 8.4.16 . Impacted is the function cmd_ipaddr_conflict of the file /usr/bin/ltsudo . This manipulation of the argument interface-name causes stack-based buffer overflow. This vulnerability is registered as CVE-2026-55728 . Remote exploitation of the attack is possible. No exploit is available.