Out-of-Bounds Write Vulnerability in BACnet Stack by BACnet
CVE-2026-52787

7.5HIGH

Key Information:

Vendor
CVE Published:
13 November 2026

What is CVE-2026-52787?

BACnet Stack, an open-source BACnet protocol library for embedded systems, contains a vulnerability that allows a reachable out-of-bounds write when encoding the device.address-binding property. This flaw, which can lead to potential exploitation, has been addressed in subsequent releases. Users are advised to upgrade to version 1.4.5, 1.5.1, or 1.6.0-rc2 to mitigate the risk. For more details, refer to the security advisory and pull request on GitHub.

Affected Version(s)

bacnet-stack < 1.4.5 < 1.4.5

bacnet-stack < 1.5.1 < 1.5.1

bacnet-stack < 1.6.0-rc2 < 1.6.0-rc2

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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