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CVE-2021-21960

Severity
CRITICAL
CVSS
10.0
EPSS
0.02639
Risk score
40.92
CISA KEV
No
PoC
No
Published
2022-02-04
Modified
2025-04-15
First seen
2026-08-07
Aliases
EUVD-2021-9131, GHSA-8927-M9QJ-7WH3
Products
n/a:Sealevel Sealevel Systems, Inc. SeaConnect 370W v1.3.34
Sources
euvd EUVD-2021-9131

Description

A stack-based buffer overflow vulnerability exists in both the LLMNR 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.

References