A vulnerability marked as critical has been reported in Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2. This vulnerability affects unknown code of the component Database Service. The manipulation leads to missing authentication.
This vulnerability is traded as CVE-2025-40765. It is possible to initiate the attack remotely. There is no exploit available.
It is suggested to upgrade the affected component.
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CVE-2025-40765 | Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2 Database Service missing authentication (ssa-062309 / Nessus ID 272268)
A vulnerability marked as critical has been reported in Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2. This vulnerability affects unknown code of the component Database Service. The manipulation leads to missing authentication. This…
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IoC Intelligence (3 Indikatoren)
CVE-2025-407653[.]1[.]2[.]13[.]1[.]2[.]2
CTI Threat Relationship Graph3 Knoten / 2 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2025-40765 | Siemens TeleControl Server Basic 3.1.2.1/3.1.2.2 Database Service missing authentication (ssa-062309 / Nessus ID 272268)
id: c82cc506-acd5-4970-b6b7-6ebf64a8f697
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-23
logsource:
category: network_connection
product: any
detection:
selection:
DestinationIp:
- '3.1.2.1'
- '3.1.2.2'
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 = "2026-09-23"
description = "YARA Signature for "
strings:
$str = "CVE-2025-40765 | Siemens TeleC" ascii wide
condition:
any of them
}
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