CVE-2026-12504: Loytec L-Dali

High severity, CVSS 8.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Authentication (CWE-287) in the PAM configuration 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 local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an `/etc/passwd` entry with an empty password field.

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.