9.0
Critical
CVE-2021-21962 A heap-based buffer overflow vulnerability exists in the OTA Update u-download functionality of Sealevel Systems, Inc
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Sealevel | Versions not published |
Other CVEs of Sealevel
The 10 CVEs of Sealevel →
CVE-2021-21968
A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc
8.1
High
CVE-2021-21959
A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc
7.7
High
CVE-2021-21965
A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems, Inc
8.6
High
CVE-2021-21964
A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc
8.6
High