CVE-2025-11783: Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The vulnerability is found in the…

CVE-2025-11783 · Severity: critical · CVSS 9.8 · Published 2025-12-02

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The vulnerability is found in the 'AddEvent()' function when copying the user-controlled username input to a fixed-size buffer (48 bytes) without boundary checking. This can lead to memory corruption, resulting in possible remote code execution.

Technologies: Circutor Sge-Plc1000, Circutor Sge-Plc1000 Firmware, Circutor Sge-Plc50, Circutor Sge-Plc50 Firmware. Vendors: Circutor.

Quick answers

Is CVE-2025-11783 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-11783 being exploited in the wild.
How severe is CVE-2025-11783?
Critical severity, with a CVSS score of 9.8, published 2 December 2025.
Which products and versions are affected?
Circutor Sge-Plc1000, Circutor Sge-Plc1000 Firmware, Circutor Sge-Plc50, Circutor Sge-Plc50 Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-11783?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-11783?
Check whether you run Circutor Sge-Plc1000, Circutor Sge-Plc1000 Firmware, Circutor Sge-Plc50 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Circutor Sge-Plc1000
  • Circutor Sge-Plc1000 Firmware
  • Circutor Sge-Plc50
  • Circutor Sge-Plc50 Firmware

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