Search Results (101 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2021-34593 2 Codesys, Wago 28 Plcwinnt, Runtime Toolkit, 750-8202 and 25 more 2025-08-15 7.5 High
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.
CVE-2021-34595 2 Codesys, Wago 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more 2025-08-15 8.1 High
A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.
CVE-2021-34596 2 Codesys, Wago 57 Codesys, Plcwinnt, Runtime Toolkit and 54 more 2025-08-15 6.5 Medium
A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
CVE-2021-21000 1 Wago 54 750-8202, 750-8202 Firmware, 750-8203 and 51 more 2025-08-15 5.3 Medium
On WAGO PFC200 devices in different firmware versions with special crafted packets an attacker with network access to the device could cause a denial of service for the login service of the runtime.
CVE-2021-21001 1 Wago 54 750-8202, 750-8202 Firmware, 750-8203 and 51 more 2025-08-15 9.1 Critical
On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.
CVE-2021-30186 2 Codesys, Wago 56 Plcwinnt, Runtime Toolkit, 750-8202 and 53 more 2025-08-15 7.5 High
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
CVE-2018-16210 1 Wago 28 750-352, 750-352 Firmware, 750-362 and 25 more 2025-06-13 6.1 Medium
WAGO 750-88X and WAGO 750-89X Ethernet Controller devices, versions 01.09.18(13) and before, have XSS in the SNMP configuration via the webserv/cplcfg/snmp.ssi SNMP_DESC or SNMP_LOC_SNMP_CONT field.
CVE-2020-12069 4 Codesys, Festo, Pilz and 1 more 114 Control For Beaglebone, Control For Empc-a\/imx6, Control For Iot2000 and 111 more 2025-05-05 7.8 High
In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.
CVE-2021-34569 1 Wago 98 750-8100, 750-8100 Firmware, 750-8101 and 95 more 2025-05-01 9.8 Critical
In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.
CVE-2021-34566 1 Wago 98 750-8100, 750-8100 Firmware, 750-8101 and 95 more 2025-05-01 9.1 Critical
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 and DoS.
CVE-2021-34567 1 Wago 98 750-8100, 750-8100 Firmware, 750-8101 and 95 more 2025-05-01 8.2 High
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
CVE-2021-34568 1 Wago 98 750-8100, 750-8100 Firmware, 750-8101 and 95 more 2025-05-01 7.5 High
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service.
CVE-2016-9362 1 Wago 7 750-8202, 750-881, 750-xxxx Series Firmware and 4 more 2025-04-20 N/A
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.
CVE-2015-6473 1 Wago 4 750-849, 750-849 Firmware, 758-870 and 1 more 2025-04-20 N/A
WAGO IO 750-849 01.01.27 and WAGO IO 750-881 01.02.05 do not contain privilege separation.
CVE-2015-6472 1 Wago 6 750-849, 750-849 Firmware, 750-881 and 3 more 2025-04-20 N/A
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-2012-3013 1 Wago 1 Wago I\/o System 758 Industrial Pc Device 2025-04-11 N/A
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 administrative access via a TCP session.
CVE-2012-4879 1 Wago 1 Wago I\/o System 758 Industrial Pc Device 2025-04-11 N/A
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 for the user account, and (4) a default password of guest for the guest account, which makes it easier for remote attackers to obtain login access via a TELNET session, a different vulnerability than CVE-2012-3013.
CVE-2021-34581 1 Wago 18 750-831, 750-831\/000-002, 750-831\/000-002 Firmware and 15 more 2024-11-21 7.5 High
Missing Release of Resource after Effective Lifetime vulnerability in OpenSSL implementation of WAGO 750-831/xxx-xxx, 750-880/xxx-xxx, 750-881, 750-889 in versions FW4 up to FW15 allows an unauthenticated attacker to cause DoS on the device.
CVE-2021-34578 1 Wago 24 750-362, 750-362 Firmware, 750-363 and 21 more 2024-11-21 9.8 Critical
This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.
CVE-2021-20998 1 Wago 10 0852-0303, 0852-0303 Firmware, 0852-1305 and 7 more 2024-11-21 10 Critical
In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users.