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 this vulnerability.
History

Tue, 15 Apr 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-04-15T19:10:13.647Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-21962

cve-icon Vulnrichment

Updated: 2024-08-03T18:30:23.463Z

cve-icon NVD

Status : Modified

Published: 2022-02-04T23:15:10.557

Modified: 2024-11-21T05:49:19.630

Link: CVE-2021-21962

cve-icon Redhat

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