CVE-2021-21962
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductSealevel Seaconnect 370w Firmware
PublishedFeb 4, 2022
First seenFeb 4, 2022
Weakness typeCWE-122CWE-122
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sealevel seaconnect_370w_firmware | 1.3.34 | — |
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