CVE-2025-11779
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-02

Last updated on: 2025-12-03

Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)

Description
Stack-based buffer overflow vulnerability in CircutorSGE-PLC1000/SGE-PLC50 v9.0.2. The 'SetLan' function is invoked when a new configuration is applied. This new configuration function is activated by a management web request, which can be invoked by a user when making changes to the 'index.cgi' web application. The parameters are not being sanitised, which could lead to command injection.
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Meta Information
Published
2025-12-02
Last Modified
2025-12-03
Generated
2026-06-16
AI Q&A
2025-12-02
EPSS Evaluated
2026-06-15
NVD
CVE-2025-11779
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
circutor sge-plc1000_firmware 9.0.2
circutor sge-plc1000 *
circutor sge-plc50_firmware 9.0.2
circutor sge-plc50 *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
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Executive Summary

This vulnerability is a stack-based buffer overflow in Circutor SGE-PLC1000/SGE-PLC50 version 9.0.2. It occurs in the 'SetLan' function, which is triggered when a new configuration is applied via a management web request through the 'index.cgi' web application. The parameters passed to this function are not properly sanitized, which can lead to command injection, allowing an attacker to execute arbitrary commands on the device.

Impact Analysis

This vulnerability can allow an attacker with access to the management web interface to execute arbitrary commands on the affected device. This could lead to unauthorized control over the device, potentially disrupting its operation, compromising the network it manages, or enabling further attacks within the network.

Mitigation Strategies

Immediate mitigation steps include updating the firmware of Circutor SGE-PLC1000/SGE-PLC50 devices to version 2.0.0 or later, as the affected devices have been discontinued and replaced by newer models. This update addresses multiple vulnerabilities including stack-based buffer overflows and command injection issues. [1]

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