CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

EUVD-2026-5920

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870: Off-by-one Error

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

PT-2026-8018

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

BACnet Protocol Stack 安全漏洞

BACnet Protocol Stack is a library suitable for various platforms, designed to provide communication services at the BACnet application layer, network layer, and Media Access Layer MAC. Versions of BACnet Protocol Stack such as 1.4.2, 1.5.0.rc2, and earlier versions have security vulnerabilities...

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-2025-66624

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2025-66624 BACnet-stack MS/TP reply matcher OOB read

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

EUVD-2025-201496

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

PT-2025-49309

Name of the Vulnerable Software and Affected Versions BACnet Protocol Stack versions prior to 1.5.0.rc2 Description The BACnet Protocol Stack library contains flaws in the npdu is expected reply function within src/bacnet/npdu.c. This function does not properly validate the existence of Applicati...

CVE-2025-66624: Out-of-bounds Read

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2025-0658

A vulnerability in Automated Logic and Carrier's Zone Controller via BACnet protocol causes the device to crash. The device enters a fault state; after a reset, a second packet can leave it permanently unresponsive until a manual power cycle is performed...

CVE-2025-0657 ALC WebCTRL Carrier i-Vu and Gen5 Controllers Array Index out-of-range

A weakness in Automated Logic and Carrier i-Vu Gen5 router on driver version drvgen5106-01-2380, allows malformed packets to be sent through BACnet MS/TP network causing the devices to enter a fault state. This fault state requires a manual power cycle to return the device to network visibility...

CVE-2025-0658 Automated Logic and Carrier Zone Controllers malformed packets denial of service

A vulnerability in Automated Logic and Carrier's Zone Controller via BACnet protocol causes the device to crash. The device enters a fault state; after a reset, a second packet can leave it permanently unresponsive until a manual power cycle is performed...

CVE-2025-0658: Improper Input Validation

A vulnerability in Automated Logic and Carrier's Zone Controller via BACnet protocol causes the device to crash. The device enters a fault state; after a reset, a second packet can leave it permanently unresponsive until a manual power cycle is performed...

PT-2025-48214

A vulnerability in Automated Logic and Carrier's Zone Controller via BACnet protocol causes the device to crash. The device enters a fault state; after a reset, a second packet can leave it permanently unresponsive until a manual power cycle is performed...