Priority CRITICAL 89
In multiple products of WAGO a vulnerability allows an unauthenticated, remote attacker to create new users and change the device configuration which can result in unintended behaviour, Denial of Service and full system…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.81911 · Published 2023-05-15 · No fix listed CWE-78
Priority HIGH 67
eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.19925 · Published 2020-02-03 · Partial fix CWE-120
Priority MEDIUM 61
An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware before FW 02.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.29803 · Published 2018-07-12 · No fix listed CWE-434
Priority MEDIUM 56
A web application for configuring the controller is accessible at a specific path.
CVSS 3.1MEDIUM 4.9· Network · High privileges · No interaction · EPSS 0.00456 · Published 2025-06-16 · Fixed in 04.07.01 (FW29), 04.07.01 (70) +1 CWE-306
Priority MEDIUM 50
Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑ser…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00643 · Published 2026-02-09 · No fix listed CWE-121
Priority MEDIUM 50
An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00759 · Published 2026-02-09 · No fix listed CWE-121
Priority MEDIUM 50
An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface, leading to full compromise of the device.
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00691 · Published 2026-03-23 · Fixed in V1.2.1.S0, V1.2.3.S0 +5 CWE-912
Priority MEDIUM 50
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity an…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.01351 · Published 2022-11-09 · No fix listed CWE-120
Priority MEDIUM 49
User credentials are stored using AES‑ECB encryption with a hardcoded key.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00354 · Published 2026-02-09 · No fix listed CWE-321
Priority MEDIUM 49
Certain devices in the WAGO System I/O Field series activate an internal diagnostic capability during the initial startup sequence.
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00757 · Published 2026-07-13 · Fixed in 1.2.1.100, 1.2.7.100 +3 CWE-912
Priority MEDIUM 49
The object name of a dynamically created BACnet File Object is interpreted as a file path without sufficient validation.
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00588 · Published 2026-10-01 · Fixed in 4.8.9, 4.8.9 (70) CWE-22
Priority MEDIUM 49
An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_cookie() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00429 · Published 2025-12-10 · Fixed in 02.64 CWE-121
Priority MEDIUM 49
An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00429 · Published 2025-12-10 · Fixed in 02.64 CWE-121
Priority MEDIUM 49
The database for the web application is exposed without authentication, allowing an unauthenticated remote attacker to gain unauthorized access and potentially compromise it.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0051 · Published 2025-09-24 · Fixed in 1.1.0, 2.3.3 CWE-306
Priority MEDIUM 49
A remote unauthenticated attacker may use default certificates to generate JWT Tokens and gain full access to the tool and all connected devices.
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00392 · Published 2025-07-07 · No fix listed CWE-1188
Priority MEDIUM 49
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).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.04521 · Published 2019-12-18 · No fix listed CWE-787
Priority MEDIUM 49
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).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03866 · Published 2019-12-18 · No fix listed CWE-787
Priority MEDIUM 49
The Linux Console on the WAGO I/O System 758 model 758-870, 758-874, 758-875, and 758-876 Industrial PC (IPC) devices has a default password of wago for the (1) root and (2) admin accounts, (3) a default password of user…
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.03153 · Published 2012-09-07 · No fix listed CWE-255
Priority MEDIUM 49
WAGO I/O System 758 model 758-870, 758-874, 758-875, and 758-876 Industrial PC (IPC) devices have default passwords for unspecified Web Based Management accounts, which makes it easier for remote attackers to obtain admi…
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.03153 · Published 2012-09-07 · No fix listed CWE-255
Priority MEDIUM 48
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.13741 · Published 2021-10-26 · Fixed in V1.1.9.22 CWE-476
Priority MEDIUM 48
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…
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.03054 · Published 2020-12-17 · No fix listed CWE-78
Priority MEDIUM 48
WAGO 852-303 before FW06, 852-1305 before FW06, and 852-1505 before FW03 devices contain hardcoded private keys for the SSH daemon.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03261 · Published 2019-06-17 · No fix listed CWE-798
Priority MEDIUM 48
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 v…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03316 · Published 2020-01-08 · No fix listed CWE-787
Priority MEDIUM 48
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).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03316 · Published 2019-12-18 · No fix listed CWE-787
Priority MEDIUM 48
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 Firmwa…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0328 · Published 2019-12-18 · No fix listed CWE-787
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