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Critical 9.1Published May 12, 2026

CVE-2026-25787Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface.

Updated under an hour ago ()

Does this affect you?

It affects Siemens SIMATIC Drive Controller CPU 1504D TF and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
siemens
NVD analysis
Awaiting Analysis
Record last updated
Jul 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Siemens SIMATIC Drive Controller CPU 1504D TF
siemens:simatic_drive_controller_cpu_1504d_tf (from the name)
before V3.1.6
CNA record
Siemens SIMATIC Drive Controller CPU 1507D TF
siemens:simatic_drive_controller_cpu_1507d_tf (from the name)
before V3.1.6
CNA record
Siemens SIMATIC ET 200SP CPU 1510SP F-1 PN
siemens:simatic_et_200sp_cpu_1510sp_f_1_pn (from the name)
all versions
CNA record
Siemens SIMATIC ET 200SP CPU 1510SP-1 PN
siemens:simatic_et_200sp_cpu_1510sp_1_pn (from the name)
all versions
CNA record
Siemens SIMATIC ET 200SP CPU 1512SP F-1 PN
siemens:simatic_et_200sp_cpu_1512sp_f_1_pn (from the name)
all versions
CNA record
Siemens SIMATIC ET 200SP CPU 1512SP-1 PN
siemens:simatic_et_200sp_cpu_1512sp_1_pn (from the name)
all versions
CNA record
Siemens SIMATIC ET 200SP CPU 1514SP F-2 PN
siemens:simatic_et_200sp_cpu_1514sp_f_2_pn (from the name)
before V4.1.6
CNA record
Siemens SIMATIC ET 200SP CPU 1514SP-2 PN
siemens:simatic_et_200sp_cpu_1514sp_2_pn (from the name)
before V4.1.6
CNA record
Siemens SIMATIC ET 200SP CPU 1514SPT F-2 PN
siemens:simatic_et_200sp_cpu_1514spt_f_2_pn (from the name)
before V4.1.6
CNA record
Siemens SIMATIC ET 200SP CPU 1514SPT-2 PN
siemens:simatic_et_200sp_cpu_1514spt_2_pn (from the name)
before V4.1.6
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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