Vulnerabilities > CVE-2021-21962 - Out-of-bounds Write vulnerability in Sealevel Seaconnect 370W Firmware 1.3.34

047910
CVSS 8.1 - HIGH
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
high complexity
sealevel
CWE-787

Summary

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.

Vulnerable Configurations

Part Description Count
OS
Sealevel
1
Hardware
Sealevel
1

Common Weakness Enumeration (CWE)