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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
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
- www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-circuto… (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.