Sealevel Systems SeaConnect 370W v1.3.34 - OTA Update Task Arbitrary File Write Vulnerability

CVE-2021-21968 · HIGH Severity

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

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