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QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 memory corruption
A vulnerability was found in QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 (Network Attached Storage Software). It has been classified as critical. Affected is some unknown processing. Upgrading to version 4.2.6 Build 20171208, 4.3.3.0396…
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A vulnerability was found in QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 (Network Attached Storage Software). It has been classified as critical. Affected is some unknown processing. Upgrading to version 4.2.6 Build 20171208, 4.3.3.0396 Build 20171205 or 4.3.4.0411 Beta 3 Build 20171208 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - QNAP QTS up to 4.2.6/4.3.3.0378/4.3.4.0387 memory corruption
id: 728a98b8-1c4f-4a03-89d8-548d3eb180e4
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "QNAP QTS up to 4.2.6/4.3.3.037" ascii wide
condition:
any of them
}
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