# CVE-2026-55731

## Summary

- **CVE ID:** CVE-2026-55731
- **Severity:** MEDIUM
- **CVSS Score:** 6.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U)
- **CWE:** CWE-606
- **Published:** Jul 24, 2026
- **Last Modified:** Jul 24, 2026

## Description

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 Products

- Loytec — LIP-ME20xC (0)
- Loytec — L-INX (0)
- Loytec — L-GATE (0)
- Loytec — L-ROC (0)
- Loytec — L-IOB (0)
- Loytec — L-DALI (0)
- Loytec — L-VIS (0)
- Loytec — L-PAD (0)

## References

- [CNA](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)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.32%
- **EPSS Percentile:** 24.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._