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CVE-2025-64385

INCORRECT SECURITY VALIDATION IN SENDING UDP FRAMES

The equipment initially can be configured using the manufacturer's application, by Wi-Fi, by the web server or with the manufacturer’s software. Using the manufacturer's software, the device can be configured via UDP. Analyzing this communication, it has been observed that any aspect of the initial configuration can be changed by means of the device's MAC without the need for authentication.

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Tcprs1plus
CVE-2025-64389

EXCHANGE OF SENSITIVE INFORMATION IN CLEAR TEXT

The web server of the device performs exchanges of sensitive information in clear text through an insecure protocol.

CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Tcprs1plus
CVE-2025-64388

Denial of service through specific packets

Denial of service of the web server through specific requests to this protocol

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Tcprs1plus
CVE-2025-64387

CLICKJACKING

The web application is vulnerable to a so-called ‘clickjacking’ attack. In this type of attack, the vulnerable page is inserted into a page controlled by the attacker in order to deceive the victim. This deception can range from making the victim click on a button to making them enter their login credentials in a form that, a priori, appears legitimate.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Tcprs1plus
CVE-2025-64386

HIJACKING OF THE TOKEN AND GAINING ACCESS

The equipment grants a JWT token for each connection in the timeline, but during an active valid session, a hijacking of the token can be done. This will allow an attacker with the token modify parameters of security, access or even steal the session without the legitimate and active session detecting it. The web server allows the attacker to reuse an old session JWT token while the legitimate session is active.

CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Tcprs1plus
CVE-2025-11788

Heap-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

Heap-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowSupervisorParameters()' 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.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11789

Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50

Out-of-bounds read vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'DownloadFile' function converts a parameter to an integer using 'atoi()' and then uses it as an index in the 'FilesDownload' array with '(&FilesDownload)[iVar2]'. If the parameter is too large, it will access memory beyond the limits.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11785

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowMeterPasswords()' 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.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11786

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'SetUserPassword()' function, the 'newPassword' parameter is directly embedded in a shell command string using 'sprintf()' without any sanitisation or validation, and then executed using 'system()'. This allows an attacker to inject arbitrary shell commands that will be executed with the same privileges as the application.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11784

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

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.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11783

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

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 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11782

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'ShowDownload()' function uses “sprintf()” to format a string that includes the user-controlled input of 'GetParameter(meter)' in the fixed-size buffer 'acStack_4c' (64 bytes) without checking the length. An attacker can provide an excessively long value for the 'meter' parameter that exceeds the 64-byte buffer size.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11781

Use of hardcoded cryptographic keys in Circutor SGE-PLC1000/SGE-PLC50

Use of hardcoded cryptographic keys in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The affected firmware contains a hardcoded static authentication key. An attacker with local access to the device can extract this key (e.g., by analysing the firmware image or memory dump) and create valid firmware update packages. This bypasses all intended access controls and grants full administrative privileges.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11780

Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50

Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'showMeterReport()' 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.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11779

Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50

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.

CVSS 4.0 · 9.4 Critical EPSS 1.2% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2025-11778

Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50

Stack-based buffer overflow in Circutor SGE-PLC1000/SGE-PLC50 v0.9.2. This vulnerability allows an attacker to remotely exploit memory corruption through the 'read_packet()' function of the TACACSPLUS implementation.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Circutor Sge-plc1000 Sge-plc50
Products
Sge-plc1000 Sge-plc1000 Firmware Sge-plc50 and 2 more
CVE-2022-1669

Circutor COMPACT DC-S BASIC

A buffer overflow vulnerability has been detected in the firewall function of the device management web portal. The device runs a CGI binary (index.cgi) to offer a management web application. Once authenticated with valid credentials in this web portal, a potential attacker could submit any "Address" value and it would be copied to a second variable with a "strcpy" vulnerable function without checking its length. Because of this, it is possible to send a long address value to overflow the process stack, controlling the function return address.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Compact Dc-s Basic Compact Dc-s Basic Firmware
CVE-2021-33842

Circutor SGE-PLC1000 improper authentication

Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Circutor
Products
Sge-plc1000 Sge-plc1000 Firmware
CVE-2021-33841

Circutor SGE-PLC1000 OS command Injection

SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.

CVSS 3.1 · 10 Critical EPSS 2.2% KEV · Not listed
Vendors
Circutor
Products
Sge-plc1000 Sge-plc1000 Firmware