Vulnerabilities (CVE)

Filtered by vendor Wago Subscribe
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-12506 1 Wago 14 750-362, 750-362 Firmware, 750-363 and 11 more 2021-11-17 6.4 MEDIUM 9.1 CRITICAL
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
CVE-2020-12505 1 Wago 14 750-831, 750-831 Firmware, 750-852 and 11 more 2021-11-17 6.4 MEDIUM 9.1 CRITICAL
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.
CVE-2019-5081 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2021-07-21 10.0 HIGH 9.8 CRITICAL
An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5160 1 Wago 2 Pfc200, Pfc200 Firmware 2021-07-21 6.5 MEDIUM 9.1 CRITICAL
An exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted HTTPS POST request can cause the software to connect to an unauthorized host, resulting in unauthorized access to firmware update functionality. An attacker can send an authenticated HTTPS POST request to direct the Cloud Connectivity software to connect to an attacker controlled Azure IoT Hub node.
CVE-2019-5074 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2021-07-21 10.0 HIGH 9.8 CRITICAL
An exploitable stack buffer overflow vulnerability exists in the iocheckd service ''I/O-Check'' functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO PFC200 Firmware version 03.00.39(12) and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a stack buffer overflow, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2015-6472 1 Wago 6 750-849, 750-849 Firmware, 750-881 and 3 more 2021-07-09 5.0 MEDIUM 9.8 CRITICAL
WAGO IO 750-849 01.01.27 and 01.02.05, WAGO IO 750-881, and WAGO IO 758-870 have weak credential management.
CVE-2021-20998 1 Wago 10 0852-0303, 0852-0303 Firmware, 0852-1305 and 7 more 2021-05-20 7.5 HIGH 9.8 CRITICAL
In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.
CVE-2020-12522 1 Wago 42 750-8101\/025-000, 750-8102\/025-000, 750-8202\/000-012 and 39 more 2020-12-23 10.0 HIGH 9.8 CRITICAL
The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC 100 (750-81xx/xxx-xxx), Series PFC 200 (750-82xx/xxx-xxx), Series Wago Touch Panel 600 Standard Line (762-4xxx), Series Wago Touch Panel 600 Advanced Line (762-5xxx), Series Wago Touch Panel 600 Marine Line (762-6xxx) with firmware versions <=FW10.
CVE-2019-10712 1 Wago 32 750-330, 750-330 Firmware, 750-352 and 29 more 2020-10-01 7.5 HIGH 9.8 CRITICAL
The Web-GUI on WAGO Series 750-88x (750-330, 750-352, 750-829, 750-831, 750-852, 750-880, 750-881, 750-882, 750-884, 750-885, 750-889) and Series 750-87x (750-830, 750-849, 750-871, 750-872, 750-873) devices has undocumented service access.
CVE-2019-5075 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2020-08-24 10.0 HIGH 9.8 CRITICAL
An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets sent to the iocheckd service "I/O-Check" can cause a stack buffer overflow in the sub-process getcouplerdetails, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5161 1 Wago 2 Pfc200, Pfc200 Firmware 2020-03-13 9.0 HIGH 9.1 CRITICAL
An exploitable remote code execution vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). A specially crafted XML file will direct the Cloud Connectivity service to download and execute a shell script with root privileges.
CVE-2019-5077 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2020-02-10 8.5 HIGH 9.1 CRITICAL
An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5082 1 Wago 4 Pfc100, Pfc100 Firmware, Pfc200 and 1 more 2020-01-22 7.5 HIGH 9.8 CRITICAL
An exploitable heap buffer overflow vulnerability exists in the iocheckd service I/O-Check functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO PFC200 Firmware version 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5078 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2019-12-27 9.4 HIGH 9.1 CRITICAL
An exploitable denial of service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5079 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2019-12-27 7.5 HIGH 9.8 CRITICAL
An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
CVE-2019-5080 1 Wago 4 Pfc 100, Pfc 100 Firmware, Pfc 200 and 1 more 2019-12-27 6.4 MEDIUM 9.1 CRITICAL
An exploitable denial-of-service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A single packet can cause a denial of service and weaken credentials resulting in the default documented credentials being applied to the device. An attacker can send an unauthenticated packet to trigger this vulnerability.
CVE-2018-5459 1 Wago 19 750-8202, 750-8202\/025-000, 750-8202\/025-001 and 16 more 2019-10-09 7.5 HIGH 9.8 CRITICAL
An Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. An attacker can execute different unauthenticated remote operations because of the CoDeSys Runtime application, which is available via network by default on Port 2455. An attacker could execute some unauthenticated commands such as reading, writing, or deleting arbitrary files, or manipulate the PLC application during runtime by sending specially-crafted TCP packets to Port 2455.
CVE-2019-12549 1 Wago 6 852-1305, 852-1305 Firmware, 852-1505 and 3 more 2019-06-19 10.0 HIGH 9.8 CRITICAL
WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon. The fingerprint of the SSH host key from the corresponding SSH daemon matches the embedded private key.
CVE-2019-12550 1 Wago 6 852-1305, 852-1305 Firmware, 852-1505 and 3 more 2019-06-19 10.0 HIGH 9.8 CRITICAL
WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded users and passwords that can be used to login via SSH and TELNET.
CVE-2015-6473 1 Wago 4 Wago I\/o Plc 750-849, Wago I\/o Plc 750-849 Firmware, Wago I\/o Plc 758-870 and 1 more 2017-08-26 10.0 HIGH 9.8 CRITICAL
WAGO IO 750-849 01.01.27 and WAGO IO 750-881 01.02.05 do not contain privilege separation.
CVE-2016-9362 1 Wago 7 750-8202, 750-881, 750-xxxx Series Firmware and 4 more 2017-06-28 6.4 MEDIUM 9.1 CRITICAL
An issue was discovered in WAGO 750-8202/PFC200 prior to FW04 (released August 2015), WAGO 750-881 prior to FW09 (released August 2016), and WAGO 0758-0874-0000-0111. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to edit and to view settings without authenticating.