CVE-2026-73169: Improper Neutralization of Input During Web Page Generation

Nozomi Networks Labs identified a CWE-79: Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in the Modbus transaction management interface of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to store...

CVE-2026-73170: Improper Control of Generation of Code

Nozomi Networks Labs identified a CWE-94: Improper Control of Generation of Code 'Code Injection' vulnerability in the Modbus CSV import workflow of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to execute arbitrary Lua code on the device via a...

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 Wireshark

A NULL pointer exception occurs in the Modbus dissector in Wireshark versions 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17, allowing for denial of service through packet injection or malicious capture files...

CVE-2026-18368

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368

CVE-2026-18368 Explanation: Teltonika Networks RUTOS devices are affected via the modbusgwd component. The vulnerability arises from improper handling of Modbus TCP request data, enabling a remote, unauthenticated attacker with access to the affected service to trigger a heap-based buffer overflo...

CVE-2026-18368 Heap buffer overflow in Modbusgwd

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368 Heap buffer overflow in Modbusgwd

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368: Heap-based Buffer Overflow

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

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...

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...

PT-2026-80492

A heap-based buffer overflow flaw was found in libmodbus in function modbus reply in src/modbus.c...

PT-2026-80498

An invalid pointer in the modbus receive 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...

PT-2026-80496

libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus mapping free function...

CVE-2026-44092

A flaw was found in ModbusServer. An unauthenticated remote attacker can inject malicious input into the application due to a lack of input validation when fetching data from MQTT. This vulnerability may lead to a loss of data integrity and system availability...

Schneider Electric SCADAPack and RemoteConnect Improper Check For Unusual or Exceptional Conditions (CVE-2026-0667)

CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause remote code execution, denial of service, and loss of confidentiality and integrity of the RTU controller when an unauthenticated attacker sends specially crafted Modbus TCP packets to the device...

CVE-2026-71263

The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool demo/LINUXTCP/port/porttcp.c. The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MBTCPBUFSIZE limit...

EUVD-2026-53348

The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool demo/LINUXTCP/port/porttcp.c. The check if usTCPFrameBytesLeft MBTCPBUFSIZE uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MBTCPBUFSIZE limit. An MBAP frame with a...