CVE-2021-21961
moderate-risk
Published 2022-02-04
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.
Do I need to act?
~
2.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
10
CVSS 10.0/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Seaconnect 370W Firmware
Affected Vendors
43
/ 100
moderate-risk
Severity
33/34 · Critical
Exploitability
5/34 · Minimal
Exposure
5/34 · Minimal