CVE-2026-55732 — Loytec LINX firmware: Out-of-bounds Read in BACnet packet parsing (bacdt_datetime_to_tod)

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Loytec / LIP-ME20xC	affected 0 through 8.4.18
Loytec / L-INX	affected 0 through 8.4.18
Loytec / L-GATE	affected 0 through 8.4.18
Loytec / L-ROC	affected 0 through 8.4.18
Loytec / L-IOB	affected 0 through 8.4.18
Loytec / L-DALI	affected 0 through 8.4.18
Loytec / L-VIS	affected 0 through 8.4.18
Loytec / L-PAD	affected 0 through 8.4.18

CWE

CWE-125

References

https://www.loytec.com/support/product-security/advisories/8532-dibt-cve-20260608-0001-bacnet-crash-due-to-invalid-timesync-message-high

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.