CVE-2026-27663
Medium
Description
A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality.
SeverityMedium
CVSS6.5
Exploit probability—
ProductCPCI85 Central Processing/Communication
PublishedMar 26, 2026
First seenMar 26, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- Siemens CPCI85 Central Processing/CommunicationV26.10 or later
- Siemens RTUM85 RTU BaseV26.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Siemens CPCI85 Central Processing/Communication | v < V26.10 | V26.10 |
| Siemens RTUM85 RTU Base | v < V26.10 | V26.10 |
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