Circutor vulnerabilities
We track 20 vulnerabilities in Circutor products across 10 products. 20 are rated high or critical, and none are known to be exploited. The most recent was published on December 2, 2025.
Latest Circutor vulnerabilities
- 7.5 High severity
Circutor: Out-of-bounds Read
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
- 9.8 Critical severity
Circutor: Heap-based Buffer Overflow
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 retrieve
- 8.8 High severity
Circutor: Improper Neutralization of Special Elements used in an OS Command
Command injection vulnerability in the operating system in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2 through the 'GetDNS()', 'CheckPing()' and 'TraceRoute()' functions.
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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 th
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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 le
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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 byt
- 7.8 High severity
Circutor: Use of Hard-coded Cryptographic Key
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 memor
- 9.8 Critical severity
Circutor: Buffer Copy without Checking Size of Input
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 us
- 9.8 Critical severity
Circutor: Stack-based Buffer Overflow
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 wh
- 9.8 Critical severity
Circutor: Heap-based Buffer Overflow
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.
- 9.2 Critical severity
The equipment initially can be configured using the manufacturer's application, by Wi-Fi, by…
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
- 7.7 High severity
The equipment grants a JWT token for each connection in the timeline, but during an active…
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 t
- 9.1 Critical severity
CIRCUTOR TCP2RS+: Uncontrolled Resource Consumption
Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol
- 8.8 High severity
CIRCUTOR Q-SMT: Insertion of Sensitive Information Into Sent Data
An attacker with access to the network where the CIRCUTOR Q-SMT is located in its firmware version 1.0.4, could obtain legitimate credentials or steal sessions due to the fact that the device only implements the HTTP protocol. This fact prevents a secure commu
- 9.1 Critical severity
Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to…
Vulnerability in CIRCUTOR TCP2RS+ firmware version 1.3b, which could allow an attacker to modify any configuration value, even if the device has the user/password authentication option enabled, without authentication by sending packets through the UDP protocol
- 7.5 High severity
An attacker with access to the network where CIRCUTOR Q-SMT is located in its firmware version…
An attacker with access to the network where CIRCUTOR Q-SMT is located in its firmware version 1.0.4, could steal the tokens used on the web, since these have no expiration date to access the web application without restrictions. Token theft can originate from
- 8.6 High severity
CIRCUTOR Q-SMT: Improper Validation of Specified Quantity in Input
CIRCUTOR Q-SMT in its firmware version 1.0.4, could be affected by a denial of service (DoS) attack if an attacker with access to the web service bypasses the authentication mechanisms on the login page, allowing the attacker to use all the functionalities imp
- 8.1 High severity
COMPACT DC-S BASIC: Stack-based Buffer Overflow
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 pote