nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-55731 CVE-2026-55731
MEDIUM
Loytec LINX firmware: Unchecked input for loop condition in the SNMP agent
Record summary
CVE-2026-55731 has a selected CVSS score of 6.6 (medium).
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.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Jul 24, 2026 · Source: CVE List
Affected products and versions
8| Product | Source | Version range | Status |
|---|---|---|---|
L-DALIBrowse Loytec / L-DALIDefault status: unaffected | CVE List | Through 8.4.16 | affected |
L-GATEBrowse Loytec / L-GATEDefault status: unaffected | CVE List | Through 8.4.16 | affected |
Default status: unaffected | CVE List | Through 8.4.16 | affected |
Default status: unaffected | CVE List | Through 8.4.16 | affected |
Default status: unaffected | CVE List | Through 8.4.16 | affected |
Default status: unaffected | CVE List | Through 8.4.16 | affected |
Default status: unaffected | CVE List | Through 8.4.16 | affected |
LIP-ME20xCBrowse Loytec / LIP-ME20xCDefault status: unaffected | CVE List | Through 8.4.16 | affected |
References
2loytec.comVendor advisory
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