CVE-2026-85114
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.
CVE-2026-85114
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-85114
.NET Client Library for SIMATIC S7 Webserver API
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Siemens",
"product": ".NET Client Library for SIMATIC S7 Webserver API",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "V3.3.61",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]- Related CVEs
- CVE-2026-85114
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34464 · Revision 1
- Added to Heist Feed
- Publisher date