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CVE-2025-11784VulnerabilityPublished

CVE-2025-11784: SGE-PLC1000 SGE-PLC50 Circutor · Stack-based Buffer Overflow

Affects SGE-PLC1000 SGE-PLC50 CircutorSource CVE Database V5

0

Not known to be exploited · CVSS 8.5 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
8.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
SGE-PLC1000 SGE-PLC50 CircutorAffected
  • =9.0.2
Fixed in–

AI-suggested

1. Immediate network segmentation: Isolate Circutor SGE-PLC devices on dedicated network segments with strict access controls to limit exposure to adjacent network attackers. 2. Input validation: Implement additional filtering or validation proxies that sanitize or restrict the size of inputs sent to the 'meter' parameter before reaching the vulnerable function. 3. Access control tightening: Restrict user privileges to the minimum necessary, as the vulnerability requires low privileges but limiting access reduces attack surface. 4. Monitor network traffic and device logs for anomalous or oversized inputs targeting the meter parameter to detect potential exploitation attempts. 5. Engage with Circutor for timely firmware updates or patches; apply them as soon as they become available. 6. Conduct internal penetration testing and vulnerability assessments focusing on these devices to identify exposure and validate mitigations. 7. Develop incident response plans specific to industrial control system compromises involving these devices. 8. Educate operational technology (OT) and security teams about this vulnerability and the importance of layered defenses in industrial environments.

Description

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowMeterDatabase()' function, there is an unlimited user input that is copied to a fixed-size buffer via 'sprintf()'. The 'GetParameter(meter)' function retrieves the user input, which is directly incorporated into a buffer without size validation. An attacker can provide an excessively large input for the 'meter' parameter.

References

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