CVE-2026-25786

CRITICAL

Siemens Simatic Drive Controller Cpu 1504D TF - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 9.1
EPSS 0.0006
EPSS Percentile 17.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (50)
Siemens/SIMATIC Drive Controller CPU 1504D TF < V3.1.6
Siemens/SIMATIC Drive Controller CPU 1507D TF < V3.1.6
Siemens/SIMATIC ET 200SP CPU 1510SP F-1 PN
Siemens/SIMATIC ET 200SP CPU 1510SP F-1 PN < V2.9.9
Siemens/SIMATIC ET 200SP CPU 1510SP-1 PN
Siemens/SIMATIC ET 200SP CPU 1510SP-1 PN < V2.9.9
Siemens/SIMATIC ET 200SP CPU 1512SP F-1 PN
Siemens/SIMATIC ET 200SP CPU 1512SP F-1 PN < V2.9.9
Siemens/SIMATIC ET 200SP CPU 1512SP-1 PN
Siemens/SIMATIC ET 200SP CPU 1512SP-1 PN < V2.9.9
... and 40 more
Published May 12, 2026
Tracked Since May 12, 2026