title: Stack Buffer Overflow in Surveillance Station
description: A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. QNAP have already fixed this vulnerability in the following versions: Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS) Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)
problem types: CWE-121 Stack-based Buffer Overflow
affected:
{
platforms: ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.1.5.4.3, status: affected, version: unspecified, versionType: custom
}
{
platforms: ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.1.5.3.3, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: QNAP have already fixed this vulnerability in the following versions:
Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS)
Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)