Stack-based buffer overflow in SeaConnect 370W - CVE-2021-21961
Published: February 7, 2022
Vulnerability identifier: #VU60344
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21961
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the NBNS functionality. A remote unauthenticated attacker can send a specially crafted packet, trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SeaConnect 370W
How to mitigate CVE-2021-21961
Install updates from vendor's website.