# CVE-2025-11779: Stack-based buffer overflow vulnerability in CircutorSGE-PLC1000/SGE-PLC50 v9.0.2. The 'SetLan' function is invoked…

Source: https://junglewise.ai/threats/cve-2025-11779-stack-based-buffer-overflow-vulnerability-in-circutorsge-plc1000  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-02  
License: CC BY 4.0 with a link back

CVE-2025-11779 · Severity: critical · CVSS 9.8 · Published 2025-12-02

Stack-based buffer overflow vulnerability in CircutorSGE-PLC1000/SGE-PLC50 v9.0.2. The 'SetLan' function is invoked when a new configuration is applied. This new configuration function is activated by a management web request, which can be invoked by a user when making changes to the 'index.cgi' web application. The parameters are not being sanitised, which could lead to command injection.

Technologies: [Circutor Sge-Plc1000](https://junglewise.ai/threats/technologies/sge-plc1000), [Circutor Sge-Plc1000 Firmware](https://junglewise.ai/threats/technologies/sge-plc1000-firmware), [Circutor Sge-Plc50](https://junglewise.ai/threats/technologies/sge-plc50), [Circutor Sge-Plc50 Firmware](https://junglewise.ai/threats/technologies/sge-plc50-firmware). Vendors: [Circutor](https://junglewise.ai/threats/vendors/circutor).

## Quick answers

**Is CVE-2025-11779 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-11779 being exploited in the wild.

**How severe is CVE-2025-11779?** 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-2025-11779?** 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-2025-11779?** 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

## Related threats

- [Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'DownloadFile' function converts a…](https://junglewise.ai/threats/cve-2025-11789-out-of-bounds-read-vulnerability-in-circutor-sge-plc1000-sge)
- [Heap-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowSupervisorParameters()'…](https://junglewise.ai/threats/cve-2025-11788-heap-based-buffer-overflow-vulnerability-in-circutor-sge-plc1000)
- [Command injection vulnerability in the operating system in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2 through the 'GetDNS()', 'CheckPing()' and '](https://junglewise.ai/threats/cve-2025-11787-command-injection-vulnerability-in-the-operating-system-in)
- [Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'SetUserPassword()'…](https://junglewise.ai/threats/cve-2025-11786-stack-based-buffer-overflow-vulnerability-in-circutor-sge-plc1000)
- [Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowMeterDatabase()'…](https://junglewise.ai/threats/cve-2025-11784-stack-based-buffer-overflow-vulnerability-in-circutor-sge-plc1000)