CVE-2026-55728: Loytec L-Dali

Low severity, CVSS 3.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a `superadmin`-group attacker to trigger a SUID-root process abort or potentially elevate privileges via an overly long interface-name argument.

Affected products

• Loytec L-Dali: up to and including 8.4.16
• Loytec L-Gate: up to and including 8.4.16
• Loytec L-Inx: up to and including 8.4.16
• Loytec L-Iob: up to and including 8.4.16
• Loytec L-Pad: up to and including 8.4.16
• Loytec L-Roc: up to and including 8.4.16
• Loytec L-Vis: up to and including 8.4.16
• Loytec Lip-ME20XC: up to and including 8.4.16

Published 2026-07-24. Last modified 2026-07-27.