CVE-2026-25786

Published: Mag 12, 2026 Last Modified: Mag 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
CRITICAL 9,1
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

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.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
View CWE Details
https://cert-portal.siemens.com/productcert/html/ssa-688146.html