CVE-2026-47257
Received
Received - Intake
Restore Logic Flaw in BACnet Stack
Vulnerability report for CVE-2026-47257, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-12
Last updated on: 2026-11-12
Assigner: GitHub, Inc.
Description
Description
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. In versions 1.5.0 and 1.6.0-rc1, there is a restore logic flaw in bacnet-stack that is reachable through the official, unmodified apps/server management path when BACNET_BACKUP_RESTORE is enabled. This issue has been patched in versions 1.5.1 and 1.6.0.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| bacnet-stack | bacnet_stack | From 1.5.1 (inc) |
| bacnet-stack | bacnet_stack | From 1.6.0 (inc) |
| bacnet-stack | bacnet_stack | to 1.5.1 (exc) |
| bacnet-stack | bacnet_stack | to 1.6.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-670 | The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. |
| CWE-754 | The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. |
