CVE-2021-21962

A heap-based buffer overflow vulnerability exists in the OTA Update u-download functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A series of specially-crafted MQTT payloads can lead to remote code execution. An attacker must perform a man-in-the-middle attack in order to trigger th...

CVE-2021-21962

The provided connected documents confirm a heap-based buffer overflow in SeaConnect 370W (v1.3.34) OTA Update u-download, triggered by specially crafted MQTT payloads over a MITM position. The root cause involves the ParseToDownloadMessage path where unescape allocates a small heap buffer and une...