CVE-2026-47217
BACnet Stack: Channel member self-reference causes uncontrolled recursion and stack overflow in default BACnet/IP server
CVSS Score
7.5
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 and 1.5.1, a remote attacker can trigger an uncontrolled recursion and stack overflow in the default server application of bacnet-stack by abusing the Channel object. This issue has been patched in versions 1.4.4 and 1.5.1.
| CWE | CWE-20 CWE-400 CWE-674 CWE-754 |
| Vendor | bacnet-stack |
| Product | bacnet-stack |
| Published | Nov 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
bacnet-stack / bacnet-stack
< 1.4.4 < 1.5.1