CVE-2026-47711
BACnet Stack: Stack buffer overflow in Loop internal ReadProperty path via Life_Safety_Zone.accepted-modes on the default BACnet/IP server
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-121 CWE-131 CWE-787 CWE-805 |
| Vendor | bacnet-stack |
| Product | bacnet-stack |
| Published | Nov 12, 2026 |
| Last Updated | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected Versions
bacnet-stack / bacnet-stack
< 1.4.4 < 1.5.1 < 1.6.0