CVE-2025-11783 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Circutor	Sge-Plc1000 Firmware	9.0.2
Circutor	Sge-Plc1000	-
Circutor	Sge-Plc50 Firmware	9.0.2
Circutor	Sge-Plc50	-

Related Weaknesses (CWE)

CWE-121

References

https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-Third Party Advisory

FAQ

What is CVE-2025-11783?

CVE-2025-11783 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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-s...

How severe is CVE-2025-11783?

CVE-2025-11783 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-11783?

Check the references section above for vendor advisories and patch information. Affected products include: Circutor Sge-Plc1000 Firmware, Circutor Sge-Plc1000, Circutor Sge-Plc50 Firmware, Circutor Sge-Plc50.