CVE-2026-71255

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus client-side recvreaddeviceidentificationres function FC 0x2B/MEI 0x0E, Read Device Identification in nanomodbus.c. The server-supplied objectlength field 0-246 is validated only against the remaining PDU size ressizeleft and...

EUVD-2026-53331

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handlereadfilerecord function FC 0x14, Read File Record in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's recordlength is at most 124, but i...

CVE-2026-71254 nanoMODBUS Server-Side Out-of-Bounds Write in handle_read_file_record()

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handlereadfilerecord function FC 0x14, Read File Record in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's recordlength is at most 124, but i...

CVE-2026-71254

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handlereadfilerecord function FC 0x14, Read File Record in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's recordlength is at most 124, but i...

PT-2026-68136

Name of the Vulnerable Software and Affected Versions FreeModbus LINUXTCP port affected versions not specified Description The LINUXTCP port of FreeModbus contains an off-by-one bounds check within the xMBPortTCPPool function located in demo/LINUXTCP/port/porttcp.c. The issue occurs because the...

CVE-2026-71254: Out-of-bounds Write

nanoMODBUS through v1.23.0 contains an out-of-bounds write in the Modbus server-side handlereadfilerecord function FC 0x14, Read File Record in nanomodbus.c. The function validates that the total request size does not exceed 245 bytes and that each sub-request's recordlength is at most 124, but i...

Debian dla-4714 : libmodbus-dev - security update

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4714 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4714-1 [email protected] https://www.debian.org/lts/security/...

[SECURITY] [DLA 4714-1] libmodbus security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4714-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz August 01, 2026 https://wiki.debian.org/LTS -...

CVE-2026-44107

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

CVE-2026-44092

An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss...

CVE-2026-44107 Exposed Reboot via Modbus

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

EUVD-2026-51042

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

CVE-2026-44107

CVE-2026-44107 describes an unauthenticated Denial-of-Service vulnerability in the Modbus TCP interface of the CharxModbusServer. If Modbus functionality is enabled by opening the port, an attacker can trigger a reboot of the charging controller via Modbus TCP without authentication, leading to s...

CVE-2026-44107

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

CVE-2026-44107 Exposed Reboot via Modbus

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

CVE-2026-44092 Missing input validation / stripping of CRLF characters in SystemConfigManager

An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss...

CVE-2026-44092

CVE-2026-44092 affects the ModbusServer application. An unauthenticated remote attacker can inject malicious input because input fetched from MQTT is not validated, leading to integrity and availability loss. Root cause: lack of validation in input handling for MQTT-derived data. Reported metrics...

CVE-2026-44092

An unauthenticated remote attacker can inject malicious input into the ModbusServer application because it does not validate the input it fetches from MQTT. This may lead to integrity and availability loss...

PT-2026-66435

A reboot of the charging controller can be triggered via Modbus TCP without authentication. Therefore, when the Modbus functionality is enabled by opening the port that CharxModbusServer is listening, an unauthenticated attacker can perform a Denial-of-Service attack...

(Pwn2Own) Phoenix Contact CHARX SEC-3150 ModBus Server Exposed Dangerous Function Denial-of-Service Vulnerability

This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CharxModbusServer, which listens on...