Buffer overflow in Circutor Sge-Plc1000
CVE-2025-11783
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (40.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Circutor Sge-plc1000
- Circutor Sge-plc1000_firmware — versions 9.0.2
- Circutor Sge-plc50
- Circutor Sge-plc50_firmware — versions 9.0.2
- Sge-plc1000 Sge-plc50 Circutor — versions 9.0.2
Weakness classification (CWE)
References
- cve-coordination@incibe.es (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-11783?
- CVE-2025-11783 is a critical-severity vulnerability in Circutor Sge-Plc1000, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-12-02.
- How severe is CVE-2025-11783?
- Critical severity. CVSS v3 base score is 9.8 out of 10.