CVE-2026-47711
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
77/100
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:
Low
I:
Low
A:
High
Description
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4, 1.5.1, and 1.6.0, the current master demo server can be crashed remotely over BACnet/IP by sending a valid Confirmed WriteProperty request that updates loop-1's controlled-variable-reference to point to life-safety-zone-1 / accepted-modes. This issue has been patched in versions 1.4.4, 1.5.1, and 1.6.0.
Affected Software (6)
| Vendor | Product | Version |
|---|---|---|
| bacnet-stack | bacnet-stack | < 1.4.4 |
| bacnet-stack | bacnet-stack | < 1.5.1 |
| bacnet-stack | bacnet-stack | < 1.6.0 |
| bacnet-stack | bacnet-stack | < 1.4.4 |
| bacnet-stack | bacnet-stack | < 1.5.1 |
| bacnet-stack | bacnet-stack | < 1.6.0 |