CVE-2026-54410

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

CVE-2026-54410

nanoMODBUS (through v1.23.0) contains an off-by-one buffer overflow in the recv_msg_header() of the Modbus/TCP server. An unauthenticated remote attacker can craft an MBAP Length=255 to force writing one attacker-controlled byte past the 260-byte receive buffer, corrupting the adjacent state stru...

CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

EUVD-2026-36661

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

PT-2026-49133

Name of the Vulnerable Software and Affected Versions nanoMODBUS versions prior to 1.23.1 Description The Modbus/TCP server contains an off-by-one buffer overflow in the recv msg header function. Remote unauthenticated attackers can exploit this by sending a crafted MBAP frame with the Length fie...

CVE-2026-54410: Off-by-one Error

nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recvmsgheader function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length fiel...

CVE-2025-13605

3onedata modbus gateway device model GW1101-1DRS-485-TB-P hardware version V2.2.0 allows authenticated users to execute arbitrary shell commands in the context of the root user by providing payload in the "IP address" field of the diagnosis test tools. This issue has been resolved in firmware...

CVE-2026-35227

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

EUVD-2026-29390

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CVE-2026-35227

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CVE-2026-35227

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CVE-2026-35227 Improper resource management in CODESYS Modbus TCP Server

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CVE-2026-35227 Improper resource management in CODESYS Modbus TCP Server

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CVE-2026-35227

CVE-2026-35227 affects the CODESYS Modbus TCP Server stack. A race condition in connection handling can allow an unauthenticated remote attacker to exhaust all available TCP connections, denying legitimate clients from establishing new connections. The referenced entries specify a high impact to ...

CVE-2026-35227: Missing Release of Resource after Effective Lifetime

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

CODESYS Modbus TCP Server 安全漏洞

CODESYS Modbus TCP Server is an automation control component developed by the German company CODESYS, which provides capabilities for Modbus TCP communication and data exchange between industrial devices. There is a security vulnerability in the CODESYS Modbus TCP Server, caused by a race conditi...

PT-2026-39943

An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections...

EUVD-2026-28785

nanoMODBUS through v1.22.0 has a stack-based buffer overflow in recvreadregistersres in nanomodbus.c. When a client calls nmbsreadholdingregisters or nmbsreadinputregisters, the library writes register data from the server response to the caller-provided buffer based on the response's bytecount...