BACnet Stack 1.5.0/1.6.0-rc1 Restore Logic behavioral workflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00+

Summaryinfo

A vulnerability was found in BACnet Stack 1.5.0/1.6.0-rc1. It has been declared as problematic. This affects an unknown part of the component Restore Logic. Such manipulation leads to behavioral workflow. This vulnerability is documented as CVE-2026-47257. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in BACnet Stack 1.5.0/1.6.0-rc1. It has been rated as problematic. Affected by this issue is some unknown processing of the component Restore Logic. The manipulation with an unknown input leads to a behavioral workflow vulnerability. Using CWE to declare the problem leads to CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence or timeframe. Impacted is integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-47257 since 05/19/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 1.5.1 or 1.6.0 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Behavioral workflow
CWE: CWE-841 / CWE-840
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BACnet Stack 1.5.1/1.6.0

Timelineinfo

05/19/2026 CVE reserved
11/12/2026 +177 days Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CNA: GitHub_M
CVE: CVE-2026-47257 (🔒)

GCVE (CVE): GCVE-0-2026-47257
GCVE (VulDB): GCVE-100-436526

Entryinfo

Created: 11/12/2026 21:30
Changes: 11/12/2026 21:30 (63)
Complete: 🔍
Cache ID: 216::103

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