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CVE-2026-25787

Last refreshed2026-10-06

Status: UPDATED  |  Advisory ID: CVE-2026-25787

Key Details

CVECVE-2026-25787
CVSS Score / Version9.1 (Critical) / CVSS v3.1
Updated2026-07-14
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is high; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productssee table below
Classified asCWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP MFP
SiemensSIMATIC ET 200SP CPU 1510SP F-1 PN
SiemensSIMATIC ET 200SP CPU 1510SP-1 PN
SiemensSIMATIC ET 200SP CPU 1512SP F-1 PN
SiemensSIMATIC ET 200SP CPU 1512SP-1 PN
SiemensSIMATIC S7-1500 CPU 1511-1 PN
SiemensSIMATIC S7-1500 CPU 1511F-1 PN
SiemensSIMATIC S7-1500 CPU 1513-1 PN
SiemensSIMATIC S7-1500 CPU 1515-2 PN
SiemensSIMATIC S7-1500 CPU 1515F-2 PN
SiemensSIMATIC S7-1500 CPU 1516-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1516F-3 PN/DP
SiemensSIMATIC Drive Controller CPU 1504D TF
SiemensSIMATIC Drive Controller CPU 1507D TF
SiemensSIMATIC ET 200SP CPU 1514SP F-2 PN
SiemensSIMATIC ET 200SP CPU 1514SP-2 PN
SiemensSIMATIC ET 200SP CPU 1514SPT F-2 PN
SiemensSIMATIC ET 200SP CPU 1514SPT-2 PN
SiemensSIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)
SiemensSIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V2 CPUs
SiemensSIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V3 CPUs
SiemensSIMATIC ET 200SP Open Controller CPU 1515SP PC3 V4 CPUs
SiemensSIMATIC S7-1500 CPU 1511C-1 PN
SiemensSIMATIC S7-1500 CPU 1511T-1 PN
SiemensSIMATIC S7-1500 CPU 1511TF-1 PN
SiemensSIMATIC S7-1500 CPU 1512C-1 PN
SiemensSIMATIC S7-1500 CPU 1513F-1 PN
SiemensSIMATIC S7-1500 CPU 1513pro F-2 PN
SiemensSIMATIC S7-1500 CPU 1513pro-2 PN
SiemensSIMATIC S7-1500 CPU 1515T-2 PN
SiemensSIMATIC S7-1500 CPU 1515TF-2 PN
SiemensSIMATIC S7-1500 CPU 1516pro F-2 PN
SiemensSIMATIC S7-1500 CPU 1516pro-2 PN
SiemensSIMATIC S7-1500 CPU 1516T-3 PN
SiemensSIMATIC S7-1500 CPU 1516T-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1516TF-3 PN
SiemensSIMATIC S7-1500 CPU 1516TF-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1517-3 PN
SiemensSIMATIC S7-1500 CPU 1517-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1517F-3 PN
SiemensSIMATIC S7-1500 CPU 1517F-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1517T-3 PN
SiemensSIMATIC S7-1500 CPU 1517T-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1517TF-3 PN
SiemensSIMATIC S7-1500 CPU 1517TF-3 PN/DP
SiemensSIMATIC S7-1500 CPU 1518-3 PN
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP
SiemensSIMATIC S7-1500 CPU 1518F-3 PN
SiemensSIMATIC S7-1500 CPU 1518F-4 PN/DP
SiemensSIMATIC S7-1500 CPU 1518T-3 PN
SiemensSIMATIC S7-1500 CPU 1518T-4 PN/DP
SiemensSIMATIC S7-1500 CPU 1518TF-3 PN
SiemensSIMATIC S7-1500 CPU 1518TF-4 PN/DP
SiemensSIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK
SiemensSIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK
SiemensSIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN
SiemensSIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN
SiemensSIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN
SiemensSIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN
SiemensSIMATIC S7-1500 Software Controller CPU 1507S F V2
SiemensSIMATIC S7-1500 Software Controller CPU 1507S F V3
SiemensSIMATIC S7-1500 Software Controller CPU 1507S F V4
SiemensSIMATIC S7-1500 Software Controller CPU 1507S V2
SiemensSIMATIC S7-1500 Software Controller CPU 1507S V3
SiemensSIMATIC S7-1500 Software Controller CPU 1507S V4
SiemensSIMATIC S7-1500 Software Controller CPU 1508S F V2
SiemensSIMATIC S7-1500 Software Controller CPU 1508S F V3
SiemensSIMATIC S7-1500 Software Controller CPU 1508S F V4
SiemensSIMATIC S7-1500 Software Controller CPU 1508S T V3
SiemensSIMATIC S7-1500 Software Controller CPU 1508S TF V3
SiemensSIMATIC S7-1500 Software Controller CPU 1508S V2
SiemensSIMATIC S7-1500 Software Controller CPU 1508S V3
SiemensSIMATIC S7-1500 Software Controller CPU 1508S V4
SiemensSIMATIC S7-1500 Software Controller Linux V2
SiemensSIMATIC S7-1500 Software Controller Linux V3
SiemensSIMATIC S7-PLCSIM Advanced
SiemensSIPLUS ET 200SP CPU 1510SP F-1 PN
SiemensSIPLUS ET 200SP CPU 1510SP F-1 PN RAIL
SiemensSIPLUS ET 200SP CPU 1510SP-1 PN
SiemensSIPLUS ET 200SP CPU 1510SP-1 PN RAIL
SiemensSIPLUS ET 200SP CPU 1512SP F-1 PN
SiemensSIPLUS ET 200SP CPU 1512SP F-1 PN RAIL
SiemensSIPLUS ET 200SP CPU 1512SP-1 PN
SiemensSIPLUS ET 200SP CPU 1512SP-1 PN RAIL
SiemensSIPLUS S7-1500 CPU 1511-1 PN
SiemensSIPLUS S7-1500 CPU 1511-1 PN T1 RAIL
SiemensSIPLUS S7-1500 CPU 1511-1 PN TX RAIL
SiemensSIPLUS S7-1500 CPU 1511F-1 PN
SiemensSIPLUS S7-1500 CPU 1513-1 PN
SiemensSIPLUS S7-1500 CPU 1513F-1 PN
SiemensSIPLUS S7-1500 CPU 1515F-2 PN
SiemensSIPLUS S7-1500 CPU 1515F-2 PN RAIL
SiemensSIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL
SiemensSIPLUS S7-1500 CPU 1516-3 PN/DP
SiemensSIPLUS S7-1500 CPU 1516-3 PN/DP RAIL
SiemensSIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL
SiemensSIPLUS S7-1500 CPU 1516F-3 PN/DP
SiemensSIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL
SiemensSIPLUS S7-1500 CPU 1518-4 PN/DP
SiemensSIPLUS S7-1500 CPU 1518F-4 PN/DP
SubsystemsGeneral OT
SectorsMultiple

What to Know

Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" 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 "Motion Control Diagnostics" parameters page, the malicious code would be executed in the scope of their web session. (NVD)

What to Do

Monitor Siemens's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-25787
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-25787