CVE-2025-11783

CRITICAL

Circutor SGE-PLC1000/SGE-PLC50 v9.0.2 - Stack-based Buffer Overflow in AddEvent() Function

Title source: llm

Description

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.

References (1)

Core 1

Core References

Third Party Advisory

https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circutor-products-0

Scores

CVSS v3 9.8

EPSS 0.0051

EPSS Percentile 39.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-121

Status published

Products (2)

circutor/sge-plc1000_firmware 9.0.2

circutor/sge-plc50_firmware 9.0.2

Published Dec 02, 2025

Tracked Since Feb 18, 2026