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-2026-58209

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, MQTT retained message delivery and QoS1+ durable replay could deliver messages whose original topics matched a subscriber configured subscribe deny rule because these...

CVE-2026-6411 MAXHUB Pivot Client Application Use of a Broken or Risky Cryptographic Algorithm

This vulnerability, in the MAXHUB Pivot client application versions prior to v1.36.2, may allow an attacker to obtain encrypted tenant email addresses and related metadata from any tenant. Due to the presence of a hardcoded AES key within the application, the encrypted data can be decrypted,...

PT-2026-2199

Name of the Vulnerable Software and Affected Versions Versions affected versions not specified Description An attacker with network access and valid credentials can potentially write to server topics on a board controlling MQTT communications due to the use of an unsecured, unencrypted MQTT...

CVE-2025-66217 AIS-catcher Integer Underflow in MQTT Packet Parsing leading to Heap Buffer Overflow

AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sending a malformed MQTT packet with a manipulated Topic Leng...

CVE-2024-47078 Meshtastic firmware Authentication/Authorization Bypass via MQTT

Meshtastic is an open source, off-grid, decentralized, mesh network. Meshtastic uses MQTT to communicate over an internet connection to a shared or private MQTT Server. Nodes can communicate directly via an internet connection or proxied through a connected phone i.e., via bluetooth. Prior to...

CVE-2023-40041

TOTOLINK T10v2 5.9c.5061B20200511 has a stack-based buffer overflow in setWiFiWpsConfig in /lib/cstemodules/wps.so. Attackers can send crafted data in an MQTT packet, via the pin parameter, to control the return address and execute code...

CVE-2023-29156

DroneScout ds230 Remote ID receiver from BlueMark Innovations is affected by an information loss vulnerability through traffic injection. An attacker can exploit this vulnerability by injecting, at the right times, spoofed Open Drone ID ODID messages which force the DroneScout ds230 Remote ID...

CVE-2022-25136

A command injection vulnerability in the function meshSlaveUpdate of TOTOLINK Technology routers T6 V3Firmware T6V3V4.1.5cu.748B20211015 and T10 V2Firmware V4.1.8cu.5207B20210320 allows attackers to execute arbitrary commands via a crafted MQTT packet...

CVE-2020-6882

ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service access credentials on the device. The remote attacker could use this credential to connect to the MQTT server, so as to obtain information about other devices by sending specifi...

Contiki-NG buffer overflow vulnerability (CNVD-2019-00328)

Contiki-NG is an open source, cross-platform operating system for next-generation IoT devices, and MQTT Server is a message queue transport server. A buffer overflow vulnerability exists in MQTT Server in versions of Contiki-NG prior to 4.2. An attacker can exploit this vulnerability to execute...

CVE-2018-15323

On BIG-IP 14.0.0-14.0.0.2 or 13.0.0-13.1.1.1, in certain circumstances, when processing traffic through a Virtual Server with an associated MQTT profile, the TMM process may produce a core file and take the configured HA action...