High severity8.3NVD Advisory· Published Feb 4, 2022· Updated Jun 17, 2026
CVE-2021-21968
CVE-2021-21968
Description
A file 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 arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Sealevel Systems, Inc./SeaConnect 370Wdescription
- Range: = 1.3.34
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1395nvdExploitTechnical DescriptionThird Party Advisory
News mentions
0No linked articles in our index yet.