Critical severity9.8NVD Advisory· Published Dec 2, 2025· Updated Jun 17, 2026
CVE-2025-11786
CVE-2025-11786
Description
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'SetUserPassword()' function, the 'newPassword' parameter is directly embedded in a shell command string using 'sprintf()' without any sanitisation or validation, and then executed using 'system()'. This allows an attacker to inject arbitrary shell commands that will be executed with the same privileges as the application.
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Affected products
4- cpe:2.3:o:circutor:sge-plc1000_firmware:9.0.2:*:*:*:*:*:*:*
- cpe:2.3:o:circutor:sge-plc50_firmware:9.0.2:*:*:*:*:*:*:*
- Range: =9.0.2
- Range: 9.0.2
Patches
Vulnerability mechanics
References
1- www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0nvdThird Party Advisory
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