CVE-2026-55731

UNKNOWN 0.0

Loytec LINX firmware: Unchecked input for loop condition in the SNMP agent

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-606
Vendor	loytec
Product	lip-me20xc
Published	Jul 24, 2026
Last Updated	Jul 24, 2026

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Affected Versions

Loytec / LIP-ME20xC

0 ≤ 8.4.16

Loytec / L-INX

0 ≤ 8.4.16

Loytec / L-GATE

0 ≤ 8.4.16

Loytec / L-ROC

0 ≤ 8.4.16

Loytec / L-IOB

0 ≤ 8.4.16

Loytec / L-DALI

0 ≤ 8.4.16

Loytec / L-VIS

0 ≤ 8.4.16

Loytec / L-PAD

0 ≤ 8.4.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

loytec.com: 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

Credits

Daniel Hulliger, armasuisse CYD Campus Damian Pfammatter, armasuisse CYD Campus