CVE-2026-55731 — Loytec LINX firmware: Unchecked input for loop condition in the SNMP agent

Description (CNA)

Unchecked input for loop condition (CWE-606) in the SNMP agent 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 an unauthenticated remote attacker to cause persistent denial of service (CPU exhaustion) via a crafted SNMP GETNEXT request with a large OID component.

Affected (CNA)

Vendor / product	Versions
Loytec / LIP-ME20xC	affected 0 through 8.4.16
Loytec / L-INX	affected 0 through 8.4.16
Loytec / L-GATE	affected 0 through 8.4.16
Loytec / L-ROC	affected 0 through 8.4.16
Loytec / L-IOB	affected 0 through 8.4.16
Loytec / L-DALI	affected 0 through 8.4.16
Loytec / L-VIS	affected 0 through 8.4.16
Loytec / L-PAD	affected 0 through 8.4.16

CWE

CWE-606

References

https://www.loytec.com/support/product-security/advisories/8531-dibt-cve-20260601-0003-unchecked-input-for-loop-condition-cwe-606-in-the-snmp-agent-medium

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.