CVE-2026-55731

Loytec LINX firmware (LINX-A64) versions up to 8.4.16 are affected by an unchecked input for loop condition (CWE-606) in the SNMP agent. The issue allows an unauthenticated remote attacker to cause persistent denial of service (CPU exhaustion) by sending a crafted SNMP GETNEXT request with a larg...

CVE-2026-55728

CVE-2026-55728 describes a stack-based buffer overflow in Loytec LINX firmware: the vulnerable path is /usr/bin/ltsudo with the cmd_ipaddr_conflict function, affecting LINX-A64 devices (LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS, L-PAD) up to firmware version 8.4.16. The underlying fl...

CVE-2026-12503 Loytec LINX firmware: Improper Link Resolution in /usr/bin/larm_starter

Improper Link Resolution CWE-59 in /usr/bin/larmstarter in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an authenticated larmapp attacker to make /etc/passwd writable by the larmapp group leading to root privilege escalation via a symlink attack on...

CVE-2026-12502

Loytec LINX firmware (LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS, L-PAD) through version 8.4.16 on LINX-A64 suffers CWE-269 due to improper privilege management in /usr/bin/ltsudo. The issue allows a user in the superadmin group to reset any LARM user password (including the larmapp s...