cve/2021/CVE-2021-21961.md

### [CVE-2021-21961](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21961)
![](https://img.shields.io/static/v1?label=Product&message=Sealevel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-121%3A%20Stack-based%20Buffer%20Overflow&color=brighgreen)

### Description

A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted network packet can lead to remote code execution. An attacker can send a malicious packet to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389

#### Github
No PoCs found on GitHub currently.