CVE-2025-53476
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 7, 2025
- Updated
- Nov 3, 2025
- Reserved
- Jul 11, 2025
Description
A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | talos |
Weaknesses
- CWE-775 Missing Release of File Descriptor or Handle after Effective Lifetime
Affected Products
| Product | Versions |
|---|---|
OpenPLC_v3OpenPLC |
|
References
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