CVE-2026-25786

published 2026-05-12

CVE-2026-25786: Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow…

Priority P3 53 critical 9.1 CVSS 3.1

AV N AC L PR H UI N S C C H I H A H

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.

Affected

139 ranges · showing 25

Vendor	Product	Version range	Fixed in
siemens	simatic_drive_controller_cpu_1504d_tf	< V3.1.6	V3.1.6
siemens	simatic_drive_controller_cpu_1507d_tf	< V3.1.6	V3.1.6
siemens	simatic_et_200sp_cpu_1510sp-1_pn	< *	*
siemens	simatic_et_200sp_cpu_1510sp-1_pn	< V2.9.9	V2.9.9
siemens	simatic_et_200sp_cpu_1510sp-1_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1510sp_f-1_pn	< *	*
siemens	simatic_et_200sp_cpu_1510sp_f-1_pn	< V2.9.9	V2.9.9
siemens	simatic_et_200sp_cpu_1510sp_f-1_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1512sp-1_pn	< *	*
siemens	simatic_et_200sp_cpu_1512sp-1_pn	< V2.9.9	V2.9.9
siemens	simatic_et_200sp_cpu_1512sp-1_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1512sp_f-1_pn	< *	*
siemens	simatic_et_200sp_cpu_1512sp_f-1_pn	< V2.9.9	V2.9.9
siemens	simatic_et_200sp_cpu_1512sp_f-1_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1514sp-2_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1514sp_f-2_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1514spt-2_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_cpu_1514spt_f-2_pn	< V4.1.6	V4.1.6
siemens	simatic_et_200sp_open_controller_cpu_1515sp_pc	< *	*
siemens	simatic_et_200sp_open_controller_cpu_1515sp_pc2_v2_cpus	< *	*
siemens	simatic_et_200sp_open_controller_cpu_1515sp_pc2_v3_cpus	< *	*
siemens	simatic_et_200sp_open_controller_cpu_1515sp_pc3_v4_cpus	< *	*
siemens	simatic_s7-1500_cpu_1511-1_pn	< *	*
siemens	simatic_s7-1500_cpu_1511-1_pn	< V2.9.9	V2.9.9
siemens	simatic_s7-1500_cpu_1511-1_pn	< V4.1.6	V4.1.6

CVSS provenance

nvd v3.1 9.1 CRITICAL CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

nvd v4.0 9.3 CRITICAL CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-79