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CVE-2026-55731

MEDIUM
6.6
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-55731
State
PUBLISHED
Assigner
NCSC.ch
Reserved
2026-06-17 09:48 UTC
Published
2026-07-24 14:00 UTC
Last updated
2026-07-24 14:54 UTC
Primary CWE
CWE-606
CWE-606 Unchecked input for loop condition
Vendor / Product
Loytec / LIP-ME20xC
Sources
cve.org  ·  NVD

Severity & Metrics

6.6 MEDIUM CVSS 4.0
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (8)
VendorProductPlatformVersions
Loytec L-DALI — 0 ≤ 8.4.16
Loytec L-GATE — 0 ≤ 8.4.16
Loytec L-INX — 0 ≤ 8.4.16
Loytec L-IOB — 0 ≤ 8.4.16
Loytec L-PAD — 0 ≤ 8.4.16
Loytec L-ROC — 0 ≤ 8.4.16
Loytec L-VIS — 0 ≤ 8.4.16
Loytec LIP-ME20xC — 0 ≤ 8.4.16
Weakness (CWE)
CWESourceDescription
CWE-606 cna CWE-606 Unchecked input for loop condition
CVSS scores (1)
ScoreSeverityVersionSourceVector
6.6 MEDIUM 4.0 cna 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
References (1)
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