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7.5HIGH

CVE-2025-11789 — Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2.

Circutor · Sge-Plc1000 Firmware · Published 2 Dec 2025 · Modified 25 Sept 2026

Description

Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'DownloadFile' function converts a parameter to an integer using 'atoi()' and then uses it as an index in the 'FilesDownload' array with '(&FilesDownload)[iVar2]'. If the parameter is too large, it will access memory beyond the limits.

References

What to do
  1. Check whether Sge-Plc1000 Firmware is in your asset inventory.
  2. Patch in the next maintenance window; prioritise internet-facing systems.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-11789