CVE-2026-85114
Quick assessment
Affected
Siemens .NET Client Library for SIMATIC S7 Webserver API
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 SIMATIC S7 Webserver API 的 .NET 客户端库中发现了漏洞（所有低于 V3.3.61 的版本均受影响）。受影响的应用在下载票据时未正确验证从远程服务器接收到的文件名。 这可能导致攻击者通过操纵票据响应，在预期的下载目录之外写入任意文件；当启用覆盖功能时，还可替换应用程序可访问的已有文件。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1105 · Ingress Tool TransferAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Siemens | .NET Client Library for SIMATIC S7 Webserver API | < V3.3.61 |
affected |
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I. Basic Information for CVE-2026-85114
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Siemens | .NET Client Library for SIMATIC S7 Webserver API | 0 ~ V3.3.61 | - |
|
II. Public POCs for CVE-2026-85114
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-85114 (1)
Same Patch Batch · Siemens · 2026-10-13 · 32 CVEs total
| CVE-2026-63350 | 9.6 CRITICAL | Siemens Trace文件解析漏洞，导致浏览器端JS执行 |
| CVE-2026-63353 | 9.6 CRITICAL | Siemens Trace文件XSS漏洞：恶意JS执行并越权操控PLC |
| CVE-2026-63354 | 9.6 CRITICAL | Siemens PLCs XSS漏洞（读取诊断权限） |
| CVE-2026-44415 | 9.1 CRITICAL | GitLab越权访问漏洞 |
| CVE-2026-89197 | 8.8 HIGH | RUGGEDCOM CROSSBOW V6.0以下版本SQL注入漏洞 |
| CVE-2026-89198 | 8.8 HIGH | RUGGEDCOM CROSSBOW<6.0任意SQL注入漏洞 |
| CVE-2026-89199 | 8.8 HIGH | RUGGEDCOM CROSSBOW < V6.0信息泄露漏洞 |
| CVE-2026-89196 | 8.8 HIGH | RUGGEDCOM CROSSBOW V6.0以下版本存在SQL注入漏洞 |
| CVE-2026-59241 | 8.8 HIGH | SIMATIC WinCC越权漏洞（CVE-2024-12345） |
| CVE-2026-78557 | 8.3 HIGH | Industrial Edge App Publisher V1.27.9以下版本RCE漏洞 |
| CVE-2026-102073 | 8.2 HIGH | 艾礼富MBC/MEC/PXC/TALON远程内存读取及DoS |
| CVE-2026-72895 | 7.7 HIGH | SIMATIC IPC系列安全启动绕过漏洞 |
| CVE-2026-102076 | 7.5 HIGH | Apogee系列软件Web服务拒绝服务漏洞 |
| CVE-2026-102075 | 7.5 HIGH | Apogee/Talon设备Web服务DoS漏洞 |
| CVE-2026-102074 | 7.5 HIGH | Apogee系列软件FTP服务拒绝服务漏洞 |
| CVE-2026-89201 | 7.5 HIGH | RUGGEDCOM CROSSBOW <V6.0 SQL注入漏洞 |
| CVE-2026-78556 | 7.4 HIGH | Industrial Edge App Publisher TLS证书验证绕过漏洞 |
| CVE-2026-44414 | 6.8 MEDIUM | CVE-2026-44414 |
| CVE-2026-89200 | 6.7 MEDIUM | RUGGEDCOM CROSSBOW SQL注入漏洞 |
| CVE-2026-89202 | 6.5 MEDIUM | RUGGEDCOM CROSSBOW权限提升拒绝服务漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-85114
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