CVE-2026-62977

The BACnet Stack C library for embedded systems contains a vulnerability in its FILE object implementation prior to versions 1.5.1 and 1.6.0 . The issue allows remote WriteProperty(PROP_FILE_SIZE) requests to modify the size of a stream-access FILE object without verifying if the file is marked R...

CVE-2026-49990

The BACnet Stack C library for embedded systems contains a vulnerability where a signed fileStartPosition from AtomicReadFile and AtomicWriteFile stream-access requests lacks sufficient validation before reaching RAM file backends . This flaw affects versions 1.4.2 to 1.4.4 and 1.5.0 . Consequenc...

CVE-2026-46677

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, there is a client-side out-of-bounds read in the AtomicReadFile-ACK record-access handling path. The issue is caused by a mismatch between a remote returnedRecordCount value and...

CVE-2026-46676

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. From versions 1.4.0 to before 1.4.4, and 1.5.0 to before 1.5.1, an uninitialized value use vulnerability in bacnet-stack's AtomicReadFile record-access ACK encoder allows unauthenticated remote attackers to corrup...

EUVD-2026-124661

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, there is a client-side out-of-bounds read in the AtomicReadFile-ACK record-access handling path. The issue is caused by a mismatch between a remote returnedRecordCount value and...

CVE-2026-46677 BACnet Stack: Client-Side Out-of-Bounds Read in AtomicReadFile-ACK Record-Access Handling via RecordCount / fileData[] Mismatch

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, there is a client-side out-of-bounds read in the AtomicReadFile-ACK record-access handling path. The issue is caused by a mismatch between a remote returnedRecordCount value and...

CVE-2026-46677

The BACnet Stack , an open-source BACnet protocol stack C library for embedded systems, contains a client-side out-of-bounds read vulnerability in the AtomicReadFile-ACK record-access handling path. This flaw exists in versions prior to 1.4.4 and 1.5.1 due to a mismatch between a remote returnedR...

CVE-2026-46676 BACnet Stack: Uninitialized Value Use in AtomicReadFile-ACK Record-Access Encoder Causes Response Corruption and Conditional Information Disclosure

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. From versions 1.4.0 to before 1.4.4, and 1.5.0 to before 1.5.1, an uninitialized value use vulnerability in bacnet-stack's AtomicReadFile record-access ACK encoder allows unauthenticated remote attackers to corrup...

CVE-2026-46676

The BACnet Stack , an open-source C library for embedded systems, contains an uninitialized value use vulnerability in the AtomicReadFile record-access ACK encoder . This flaw affects versions 1.4.0 to before 1.4.4 and 1.5.0 to before 1.5.1 . An unauthenticated remote attacker can send a crafted ...

CVE-2026-46677: bacnet-stack: BACnet Stack is a BACnet open source protocol stack C library for embedded systems

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, there is a client-side out-of-bounds read in the AtomicReadFile-ACK record-access handling path. The issue is caused by a mismatch between a remote returnedRecordCount value and...

PT-2026-146041

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, there is a client-side out-of-bounds read in the AtomicReadFile-ACK record-access handling path. The issue is caused by a mismatch between a remote returnedRecordCount value and...

PT-2026-146040

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. From versions 1.4.0 to before 1.4.4, and 1.5.0 to before 1.5.1, an uninitialized value use vulnerability in bacnet-stack's AtomicReadFile record-access ACK encoder allows unauthenticated remote attackers to corrup...

CVE-2019-12480

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service bacserv daemon cras...

CVE-2019-12480

CVE-2019-12480 affects BACnet Protocol Stack up to version 0.8.6. The issue is a segmentation fault in the BACnet APDU Layer caused by a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services, leading to a denial of service. An unauthenticated remote attacker can...

CVE-2019-12480

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service bacserv daemon cras...

CVE-2019-12480

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service bacserv daemon cras...

CVE-2019-12480: Out-of-bounds Read

BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service bacserv daemon cras...

PT-2019-12815

Name of the Vulnerable Software and Affected Versions BACnet Protocol Stack versions through 0.8.6 Description The issue is related to a segmentation fault that leads to a denial of service in the BACnet APDU Layer. This occurs due to a malformed DCC in AtomicWriteFile, AtomicReadFile, and...