Siemens TeleControl Server Basic 3.1.2.1 RestoreFromBackup sql injection

Summaryinfo

A vulnerability classified as critical has been found in Siemens TeleControl Server Basic. This affects the function RestoreFromBackup. This manipulation causes sql injection. The identification of this vulnerability is CVE-2025-29905. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens TeleControl Server Basic. It has been declared as critical. Affected by this vulnerability is the function RestoreFromBackup. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection through the internally used 'RestoreFromBackup' method. This could allow an authenticated remote attacker to bypass authorization controls, to read from and write to the application's database and execute code with "NT AUTHORITY\NetworkService" permissions. A successful attack requires the attacker to be able to access port 8000 on a system where a vulnerable version of the affected application is executed on. (ZDI-CAN-25923)

The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2025-29905 since 03/12/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2025). MITRE ATT&CK project uses the attack technique T1505 for this issue.

Upgrading to version 3.1.2.2 eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• TeleControl Server Basic

Version

• 3.1.2.1

License

• commercial

Website

• Vendor: https://www.siemens.com/

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CPE 2.2info

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