CVE-2026-52789
BACnet Stack: Denial of Service (Infinite Loop) in handler_read_property_multiple via malformed RPM requests
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 1.4.5, 1.5.1, and 1.6.0, a Denial of Service (DoS) vulnerability exists in the BACnet stack's ReadPropertyMultiple (RPM) handler. When processing a malformed RPM request packet that lacks the expected closing tags, the function handler_read_property_multiple enters an infinite loop. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.
| CWE | CWE-835 |
| Vendor | bacnet-stack |
| Product | bacnet-stack |
| Published | Nov 13, 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
< 1.4.5 < 1.5.1 < 1.6.0