CVE-2021-21967

An out-of-bounds 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 denial of service. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

• CWE-120
• CWE-120

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394Exploit, Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1394Exploit, Third Party Advisory

Published

Apr 14, 2022

Last Modified

Jun 17, 2026

Status

Modified

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