CVE-2026-45341
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
75/100
Published: 2026-11-12
Modified: 2026-11-13
First seen: 2026-11-12
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. From versions 1.4.0 to before 1.4.4, and 1.5.0 to before 1.5.1, a NULL pointer dereference can be triggered in bacnet_device_object_reference_decode() when a WriteProperty request updates OBJECT_STRUCTURED_VIEW / PROP_SUBORDINATE_LIST. This issue has been patched in versions 1.4.4 and 1.5.1.
Weakness Classification (1)
Affected Software (4)
| Vendor | Product | Version |
|---|---|---|
| bacnet-stack | bacnet-stack | >= 1.4.0, < 1.4.4 |
| bacnet-stack | bacnet-stack | >= 1.5.0, < 1.5.1 |
| bacnet-stack | bacnet-stack | >= 1.4.0, < 1.4.4 |
| bacnet-stack | bacnet-stack | >= 1.5.0, < 1.5.1 |