by Kastro
Paper/Archive/CVE-2026-25786

CVE-2026-25786

Siemens SIMATIC Drive Controller CPU 1504D TF — Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interf…

EPSS 0.4%CVSS 9.3
critical.is priorityof 100
34
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 31.0.310 × 206.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
SIMATIC Drive Controller CPU 1504D TF< V3.1.6V3.1.6CNA
SIMATIC Drive Controller CPU 1507D TF< V3.1.6V3.1.6CNA
SIMATIC ET 200SP CPU 1510SP F-1 PNall versions–CNA
SIMATIC ET 200SP CPU 1510SP F-1 PN< V2.9.9V2.9.9CNA
SIMATIC ET 200SP CPU 1510SP F-1 PN< V4.1.6V4.1.6CNA
SIMATIC ET 200SP CPU 1510SP-1 PNall versions–CNA
SIMATIC ET 200SP CPU 1510SP-1 PN< V2.9.9V2.9.9CNA
SIMATIC ET 200SP CPU 1510SP-1 PN< V4.1.6V4.1.6CNA
SIMATIC ET 200SP CPU 1512SP F-1 PNall versions–CNA
SIMATIC ET 200SP CPU 1512SP F-1 PN< V2.9.9V2.9.9CNA
SIMATIC ET 200SP CPU 1512SP F-1 PN< V4.1.6V4.1.6CNA
SIMATIC ET 200SP CPU 1512SP-1 PNall versions–CNA

Scores by source

siemens (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
siemens (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

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