https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2025-11789.htmlhttps://patchthecve.com/cve/CVE-2025-11789.htmlFri, 25 Sep 2026 23:10:00 +0000HIGH 7.5: 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 beyohttps://patchthecve.com/cve/CVE-2025-11788.htmlhttps://patchthecve.com/cve/CVE-2025-11788.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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 incohttps://patchthecve.com/cve/CVE-2025-11787.htmlhttps://patchthecve.com/cve/CVE-2025-11787.htmlSat, 26 Sep 2026 00:10:00 +0000HIGH 8.8: Command injection vulnerability in the operating system in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2 through the 'GetDNS()', 'CheckPing()' and 'TraceRoute()' functions.https://patchthecve.com/cve/CVE-2025-11786.htmlhttps://patchthecve.com/cve/CVE-2025-11786.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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 allowhttps://patchthecve.com/cve/CVE-2025-11785.htmlhttps://patchthecve.com/cve/CVE-2025-11785.htmlWed, 17 Jun 2026 08:31:10 +0000CRITICAL 9.8: 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 incorporahttps://patchthecve.com/cve/CVE-2025-11784.htmlhttps://patchthecve.com/cve/CVE-2025-11784.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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 incorporathttps://patchthecve.com/cve/CVE-2025-11783.htmlhttps://patchthecve.com/cve/CVE-2025-11783.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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 pohttps://patchthecve.com/cve/CVE-2025-11782.htmlhttps://patchthecve.com/cve/CVE-2025-11782.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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 attahttps://patchthecve.com/cve/CVE-2025-11781.htmlhttps://patchthecve.com/cve/CVE-2025-11781.htmlSat, 26 Sep 2026 00:10:00 +0000HIGH 7.8: 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 updatehttps://patchthecve.com/cve/CVE-2025-11780.htmlhttps://patchthecve.com/cve/CVE-2025-11780.htmlWed, 17 Jun 2026 08:31:09 +0000CRITICAL 9.8: 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 incorporatedhttps://patchthecve.com/cve/CVE-2025-11779.htmlhttps://patchthecve.com/cve/CVE-2025-11779.htmlSat, 26 Sep 2026 00:10:00 +0000CRITICAL 9.8: 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' webhttps://patchthecve.com/cve/CVE-2025-11778.htmlhttps://patchthecve.com/cve/CVE-2025-11778.htmlWed, 17 Jun 2026 08:31:09 +0000CRITICAL 9.8: 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.