title: Stack Overflow Vulnerability in Surveillance Station
description: A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later
problem types: CWE-120
affected:
{
platforms: QTS 5.0 (64 bit)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.2.0.4.2 ( 2021/10/26 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 5.0 (32 bit)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.2.0.3.2 ( 2021/10/26 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.6 (64 bit)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.1.5.4.6 ( 2021/10/26 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.6 (32 bit)
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.1.5.3.6 ( 2021/10/26 ), status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.3
product: Surveillance Station
vendor: QNAP Systems Inc.
versions:
lessThan: 5.1.5.3.6 ( 2021/10/26 ), status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: We have already fixed this vulnerability in the following versions of Surveillance Station:
QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later
QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later
QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later
QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later
QTS 4.3.3 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later