CVE-2026-25786

Description

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.

PUBLISHED Reserved 2026-02-05 | Published 2026-05-12 | Updated 2026-05-12 | Assigner siemens

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

References

cert-portal.siemens.com/productcert/html/ssa-688146.html

cve.org (CVE-2026-25786)

nvd.nist.gov (CVE-2026-25786)

Download JSON