185 matches found
modbus-scanner
Modbus Detection Scanner A multithreaded C scanner for detecting Modbus/TCP services using libmodbus. The scanner does not rely only on TCP port 502 being open. Instead, it establishes a Modbus/TCP connection and sends an application layer Modbus request. A valid Modbus response is used as the...
Astra Linux – Vulnerability in libmodbus
A issue was discovered in libmodbus before versions 3.0.7 and 3.1.x, prior to 3.1.5. There is a vulnerability related to the MODBUSFCWRITEMULTIPLEREGISTERS function, also known as VD-1301...
Astra Linux – Vulnerability in libmodbus
It was discovered that libmodbus v3.1.6 contains a use-after-free issue related to the ctx-backend pointer. This vulnerability allows attackers to trigger a Denial of Service DoS attack by sending a specially crafted message to the unit-test-server...
Astra Linux – Vulnerability in libmodbus
A stack-based buffer overflow vulnerability in libmodbus v3.1.10 allows for the overflow of the buffer allocated for Modbus responses, if the function attempts to respond to a Modbus request with an unexpected length...
Astra Linux – Vulnerability in libmodbus
An invalid pointer in the modbusreceive function of libmodbus v3.1.6 allows attackers to cause a Denial of Service DoS by sending a crafted message to the unit-test-server...
Astra Linux – Vulnerability in libmodbus
It was discovered that libmodbus v3.1.6 contains a heap overflow vulnerability through the modbusmappingfree function...
Astra Linux – Vulnerability in libmodbus
A issue was discovered in libmodbus before versions 3.0.7 and 3.1.x, prior to 3.1.5. There is a buffer overflow vulnerability in the MODBUSFCWRITEMULTIPLECOILS case, also known as VD-1302...
Astra Linux – Vulnerability in libmodbus
A heap-based buffer overflow flaw was discovered in libmodbus, within the modbusreply function in src/modbus.c...
CVE-2026-51539
A flaw was found in libmodbus. This Denial of Service DoS vulnerability exists in the receive loop when the software is running on Windows. The issue is caused by improper timeout management during network read operations, which can allow a remote attacker to cause the application to become...
JLSEC-2026-1254
libmodbus v3.1.6 was discovered to contain a heap overflow via the modbusmappingfree function...
JLSEC-2026-1253
libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbuswritebits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors...
JLSEC-2026-1256
An invalid pointer in the modbusreceive function of libmodbus v3.1.6 allows attackers to cause a Denial of Service DoS via a crafted message sent to the unit-test-server...
JLSEC-2026-1252 Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer...
Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length...
JLSEC-2026-1250
A heap-based buffer overflow flaw was found in libmodbus in function modbusreply in src/modbus.c...
JLSEC-2026-1251
libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in readiostatus function in src/modbus.c...
JLSEC-2026-1255
libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx-backend pointer. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted message sent to the unit-test-server...
PT-2026-80495
libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus write bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors...
PT-2026-80494
Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length...