CVE-2026-55732

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

HIGH
8.7
CVSS Score
Published: July 24, 2026 at 02:00 PM UTC
Updated: July 27, 2026 at 08:44 PM UTC
8 products affected across 1 vendorL-IOBL-PADL-GATE

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Severity
HIGH8.7
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18
v ≤ 8.4.18

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.7HIGHNCSC.ch
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125

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