CVE-2026-85114
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.61). Affected applications do not properly validate filenames received from remote servers during ticket downloads. This could allow an attacker who can manipulate the ticket response to write arbitrary files outside the intended download directory and, when overwriting is enabled, replace existing files accessible to the application.
| CWE | CWE-22 |
| Vendor | siemens |
| Product | .net client library for simatic s7 webserver api |
| Ecosystems | |
| Industries | IndustrialManufacturing |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Siemens / .NET Client Library for SIMATIC S7 Webserver API
0 < V3.3.61