CVE-2026-55732
High
Description
Out-of-bounds Read (CWE-125) in BACnet packet parsing (`bacdt_datetime_to_tod`) in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.18 on LINX-A64 allows an unauthenticated remote attacker to crash `linx_a64.exe` and ultimately reboot the device via a malformed BACnet TimeSynchronization or UTC-TimeSynchronization packet with an invalid month value. The same vulnerability affects multiple other Loytec products.
SeverityHigh
CVSS8.7
Exploit probability—
ProductL-INX
PublishedJul 24, 2026
First seenJul 24, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Loytec L-INX | v ≤ 8.4.18 | — |
| Loytec LIP-ME20xC | v ≤ 8.4.18 | — |
| Loytec L-GATE | v ≤ 8.4.18 | — |
| Loytec L-ROC | v ≤ 8.4.18 | — |
| Loytec L-IOB | v ≤ 8.4.18 | — |
| Loytec L-DALI | v ≤ 8.4.18 | — |
| Loytec L-VIS | v ≤ 8.4.18 | — |
| Loytec L-PAD | v ≤ 8.4.18 | — |
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