CVE-2026-25786
CriticalSummary
Affected devices do not properly validate and sanitize PLC/station name rendered on the 'communication' parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page.
Risk Assessment
Malicious code could be executed in the scope of a benign user's web session, posing a risk of data theft or system takeover by the attacker.
Recommendation
It is recommended to implement proper validation and sanitization mechanisms for data entered on the 'communication' parameters page to prevent malicious code injection.
Original NVD description (English source)
Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights accesses the "communication" parameters page, the malicious code would be executed in the scope of their web session.