medium
4.9
CWE
20 1288
Advisory Published
Updated

CVE-2023-1620: WAGO: DoS in multiple products in multiple versions using Codesys

First published: Mon Jun 26 2023(Updated: )

Multiple WAGO devices in multiple versions may allow an authenticated remote attacker with high privileges to DoS the device by sending a specifically crafted packet to the CODESYS V2 runtime.

Credit: info@cert.vde.com info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
All of
WAGO 750-331<fw17
WAGO 750-331 firmware
All of
Any of
WAGO 750-8202/025-002 Firmware<fw22
WAGO 750-8202/025-002 Firmware=fw22
WAGO 750-8202 Firmware
All of
Any of
WAGO 750-8202/000-011 firmware<fw22
WAGO 750-8202/000-011 firmware=fw22
WAGO 750-8202/000-011
All of
Any of
WAGO 750-8202/000-012 firmware<fw22
WAGO 750-8202/000-012 firmware=fw22
WAGO 750-8202
All of
Any of
WAGO 750-8202/000-022 firmware<fw22
WAGO 750-8202/000-022 firmware=fw22
WAGO 750-8202
All of
Any of
WAGO 750-8202/025-000 firmware<fw22
WAGO 750-8202/025-000 firmware=fw22
WAGO 750-8202/025-000
All of
Any of
WAGO 750-8202/025-001 Firmware<fw22
WAGO 750-8202/025-001 Firmware=fw22
WAGO 750-8202/025-001
All of
Any of
WAGO 750-8202/025-002 firmware<fw22
WAGO 750-8202/025-002 firmware=fw22
WAGO 750-8202/025-002
All of
Any of
WAGO 750-8202/040-000 firmware<fw22
WAGO 750-8202/040-000 firmware=fw22
WAGO 750-8202/040-000
All of
Any of
WAGO 750-8202/040-001 firmware<fw22
WAGO 750-8202/040-001 firmware=fw22
WAGO 750-8202/040-001
All of
Any of
WAGO Ethernet Firmware<fw22
WAGO Ethernet Firmware=fw22
WAGO 750-8203 firmware
All of
Any of
WAGO 750-8203/025-000 firmware<fw22
WAGO 750-8203/025-000 firmware=fw22
WAGO 750-8203
All of
Any of
WAGO 750-8204 firmware<fw22
WAGO 750-8204 firmware=fw22
WAGO 750-8204/025-000
All of
Any of
WAGO 750-8204/025-000 firmware<fw22
WAGO 750-8204/025-000 firmware=fw22
WAGO 750-8204/025-000
All of
Any of
WAGO 750-8206 firmware<fw22
WAGO 750-8206 firmware=fw22
WAGO 750-xxx series firmware
All of
Any of
WAGO 750-8206/025-000 firmware<fw22
WAGO 750-8206/025-000 firmware=fw22
WAGO 750-8206/025-000
All of
Any of
WAGO 750-8206/025-001 firmware<fw22
WAGO 750-8206/025-001 firmware=fw22
WAGO 750-8206/025-001
All of
Any of
WAGO 750-8206/040-000 firmware<fw22
WAGO 750-8206/040-000 firmware=fw22
WAGO 750-8206/040-000
All of
Any of
WAGO 750-8206/040-001 firmware<fw22
WAGO 750-8206/040-001 firmware=fw22
WAGO 750-8206/040-001
All of
Any of
WAGO 750-8207 firmware<fw22
WAGO 750-8207 firmware=fw22
WAGO 750-8207/025-000
All of
Any of
WAGO 750-8207/025-000 firmware<fw22
WAGO 750-8207/025-000 firmware=fw22
WAGO 750-8207/025-000
All of
Any of
WAGO 750-8207/025-001 firmware<fw22
WAGO 750-8207/025-001 firmware=fw22
WAGO 750-8207/025-001
All of
Any of
WAGO 750-8208/025-001 firmware<fw22
WAGO 750-8208/025-001 firmware=fw22
WAGO 750-xxx series firmware
All of
Any of
WAGO 750-8208/025-000 firmware<fw22
WAGO 750-8208/025-000 firmware=fw22
WAGO 750-8208/025-000
All of
Any of
WAGO 750-8208/025-001 firmware<fw22
WAGO 750-8208/025-001 firmware=fw22
WAGO 750-8208/025-001
All of
Any of
WAGO 750-8210/040-000 firmware<fw22
WAGO 750-8210/040-000 firmware=fw22
WAGO 750-8210 firmware
All of
Any of
WAGO 750-8210/025-000 firmware<fw22
WAGO 750-8210/025-000 firmware=fw22
WAGO 750-8210/025-000
All of
Any of
WAGO 750-8210/040-000<fw22
WAGO 750-8210/040-000=fw22
WAGO 750-8210/040-000
All of
Any of
WAGO 750-8211/040-001 firmware<fw22
WAGO 750-8211/040-001 firmware=fw22
WAGO 750-8211/040-000
All of
Any of
WAGO 750-8211/040-000 firmware<fw22
WAGO 750-8211/040-000 firmware=fw22
WAGO 750-8211/040-000
All of
Any of
WAGO 750-8211/040-001 firmware<fw22
WAGO 750-8211/040-001 firmware=fw22
WAGO 750-8211/040-001
All of
Any of
WAGO 750-8212/025-002 firmware<fw22
WAGO 750-8212/025-002 firmware=fw22
Cisco 8212
All of
Any of
WAGO 750-8212/000-100 firmware<fw22
WAGO 750-8212/000-100 firmware=fw22
WAGO 750-8212/000-100
All of
Any of
WAGO 750-8212/025-000 firmware<fw22
WAGO 750-8212/025-000 firmware=fw22
WAGO 750-8212/025-000
All of
Any of
WAGO 750-8212/025-001 firmware<fw22
WAGO 750-8212/025-001 firmware=fw22
WAGO 750-8212/025-001
All of
Any of
WAGO 750-8212/025-002 firmware<fw22
WAGO 750-8212/025-002 firmware=fw22
WAGO 750-8212/025-002
All of
Any of
WAGO 750-8212/040-000 firmware<fw22
WAGO 750-8212/040-000 firmware=fw22
WAGO 750-8212/040-000
All of
Any of
WAGO 750-8212/040-001 firmware<fw22
WAGO 750-8212/040-001 firmware=fw22
WAGO 750-8212
All of
Any of
WAGO 750-8212/040-010 firmware<fw22
WAGO 750-8212/040-010 firmware=fw22
WAGO 750-8212/040-010
All of
Any of
WAGO 750-8213/040-010 firmware<fw22
WAGO 750-8213/040-010 firmware=fw22
WAGO 750-8213/040-010
All of
Any of
WAGO 750-8213/040-010 firmware<fw22
WAGO 750-8213/040-010 firmware=fw22
WAGO 750-8213/040-010
All of
Any of
WAGO 750-8214 firmware<fw22
WAGO 750-8214 firmware=fw22
WAGO 750-8214 firmware
All of
Any of
WAGO 750-8215 firmware<fw22
WAGO 750-8215 firmware=fw22
WAGO 750-8215 firmware
All of
Any of
WAGO 750-8216 firmware<fw22
WAGO 750-8216 firmware=fw22
WAGO 750-8216/040-000
All of
Any of
WAGO 750-8216/025-000 firmware<fw22
WAGO 750-8216/025-000 firmware=fw22
WAGO 750-8216/025-000
All of
Any of
WAGO 750-8216/025-001 firmware<fw22
WAGO 750-8216/025-001 firmware=fw22
WAGO 750-8216/025-001
All of
Any of
WAGO 750-8216/040-000 firmware<fw22
WAGO 750-8216/040-000 firmware=fw22
WAGO 750-8216/040-000
All of
Any of
WAGO 750-8217 firmware<fw22
WAGO 750-8217 firmware=fw22
WAGO 750-8217 firmware
All of
Any of
WAGO 750-8217/025-000 firmware<fw22
WAGO 750-8217/025-000 firmware=fw22
WAGO 750-8217/025-000
All of
Any of
WAGO 750-8217/600-000 firmware<fw22
WAGO 750-8217/600-000 firmware=fw22
WAGO 750-8217/600-000
All of
Any of
WAGO 750-8217/625-000 firmware<fw22
WAGO 750-8217/625-000 firmware=fw22
WAGO 750-8217/625-000
All of
WAGO 750-823 firmware<fw11
WAGO 750-823 firmware
All of
WAGO 750-829 firmware<fw17
WAGO 750-829 firmware
All of
WAGO Ethernet Firmware<fw17
WAGO 750-831 firmware
All of
WAGO 750-831/000-002 firmware<fw17
WAGO 750-831/000-002
All of
WAGO 750-832/000-002 firmware<fw11
WAGO 750-xxx series firmware
All of
WAGO 750-832/000-002 firmware<fw11
WAGO 750-832/000-002
All of
WAGO 750-852 firmware<fw17
WAGO 750-xxx series firmware
All of
WAGO 750-862 firmware<fw11
WAGO 750-xxx series firmware
All of
WAGO 750-880/040-000 firmware<fw17
WAGO 750-880/040-000
All of
WAGO 750-880/025-000 firmware<fw17
WAGO 750-880/025-000
All of
WAGO 750-880<fw17
WAGO 750-880/025-001
All of
WAGO 750-880/025-002 firmware<fw17
WAGO 750-880/025-002
All of
WAGO 750-880/040-000 firmware<fw17
WAGO 750-880/040-000
All of
WAGO Ethernet Firmware<fw17
WAGO 750-881 firmware
All of
WAGO 750-882 firmware<fw17
WAGO 750-882 firmware
All of
WAGO 750-885 firmware<fw17
WAGO 750-885 firmware
All of
WAGO 750-885/025-000 firmware<fw17
WAGO 750-885/025-000
All of
WAGO 750-889 firmware<fw17
WAGO 750-889 firmware
All of
WAGO 750-890 Firmware<fw11
WAGO 750-890 firmware
All of
WAGO 750-890/025-000 firmware<fw11
WAGO 750-890/025-000
All of
WAGO 750-890/025-001 firmware<fw11
WAGO 750-890/025-001
All of
WAGO 750-890/025-002 firmware<fw11
WAGO 750-890/025-002
All of
WAGO 750-890/040-000 firmware<fw11
WAGO 750-890/040-000
All of
WAGO 750-891 firmware<fw11
WAGO 750-891 firmware
All of
WAGO Ethernet Firmware<fw11
WAGO 750-893 firmware
WAGO 750-331<fw17
WAGO 750-331 firmware
WAGO 750-8202/025-002 Firmware<fw22
WAGO 750-8202/025-002 Firmware=fw22
WAGO 750-8202 Firmware
WAGO 750-8202/000-011 firmware<fw22
WAGO 750-8202/000-011 firmware=fw22
WAGO 750-8202/000-011
WAGO 750-8202/000-012 firmware<fw22
WAGO 750-8202/000-012 firmware=fw22
WAGO 750-8202
WAGO 750-8202/000-022 firmware<fw22
WAGO 750-8202/000-022 firmware=fw22
WAGO 750-8202
WAGO 750-8202/025-000 firmware<fw22
WAGO 750-8202/025-000 firmware=fw22
WAGO 750-8202/025-000
WAGO 750-8202/025-001 Firmware<fw22
WAGO 750-8202/025-001 Firmware=fw22
WAGO 750-8202/025-001
WAGO 750-8202/025-002 firmware<fw22
WAGO 750-8202/025-002 firmware=fw22
WAGO 750-8202/025-002
WAGO 750-8202/040-000 firmware<fw22
WAGO 750-8202/040-000 firmware=fw22
WAGO 750-8202/040-000
WAGO 750-8202/040-001 firmware<fw22
WAGO 750-8202/040-001 firmware=fw22
WAGO 750-8202/040-001
WAGO Ethernet Firmware<fw22
WAGO Ethernet Firmware=fw22
WAGO 750-8203 firmware
WAGO 750-8203/025-000 firmware<fw22
WAGO 750-8203/025-000 firmware=fw22
WAGO 750-8203
WAGO 750-8204 firmware<fw22
WAGO 750-8204 firmware=fw22
WAGO 750-8204/025-000
WAGO 750-8204/025-000 firmware<fw22
WAGO 750-8204/025-000 firmware=fw22
WAGO 750-8204/025-000
WAGO 750-8206 firmware<fw22
WAGO 750-8206 firmware=fw22
WAGO 750-xxx series firmware
WAGO 750-8206/025-000 firmware<fw22
WAGO 750-8206/025-000 firmware=fw22
WAGO 750-8206/025-000
WAGO 750-8206/025-001 firmware<fw22
WAGO 750-8206/025-001 firmware=fw22
WAGO 750-8206/025-001
WAGO 750-8206/040-000 firmware<fw22
WAGO 750-8206/040-000 firmware=fw22
WAGO 750-8206/040-000
WAGO 750-8206/040-001 firmware<fw22
WAGO 750-8206/040-001 firmware=fw22
WAGO 750-8206/040-001
WAGO 750-8207 firmware<fw22
WAGO 750-8207 firmware=fw22
WAGO 750-8207/025-000
WAGO 750-8207/025-000 firmware<fw22
WAGO 750-8207/025-000 firmware=fw22
WAGO 750-8207/025-000
WAGO 750-8207/025-001 firmware<fw22
WAGO 750-8207/025-001 firmware=fw22
WAGO 750-8207/025-001
WAGO 750-8208/025-001 firmware<fw22
WAGO 750-8208/025-001 firmware=fw22
WAGO 750-xxx series firmware
WAGO 750-8208/025-000 firmware<fw22
WAGO 750-8208/025-000 firmware=fw22
WAGO 750-8208/025-000
WAGO 750-8208/025-001 firmware<fw22
WAGO 750-8208/025-001 firmware=fw22
WAGO 750-8208/025-001
WAGO 750-8210/040-000 firmware<fw22
WAGO 750-8210/040-000 firmware=fw22
WAGO 750-8210 firmware
WAGO 750-8210/025-000 firmware<fw22
WAGO 750-8210/025-000 firmware=fw22
WAGO 750-8210/025-000
WAGO 750-8210/040-000<fw22
WAGO 750-8210/040-000=fw22
WAGO 750-8210/040-000
WAGO 750-8211/040-001 firmware<fw22
WAGO 750-8211/040-001 firmware=fw22
WAGO 750-8211/040-000
WAGO 750-8211/040-000 firmware<fw22
WAGO 750-8211/040-000 firmware=fw22
WAGO 750-8211/040-000
WAGO 750-8211/040-001 firmware<fw22
WAGO 750-8211/040-001 firmware=fw22
WAGO 750-8211/040-001
WAGO 750-8212/025-002 firmware<fw22
WAGO 750-8212/025-002 firmware=fw22
Cisco 8212
WAGO 750-8212/000-100 firmware<fw22
WAGO 750-8212/000-100 firmware=fw22
WAGO 750-8212/000-100
WAGO 750-8212/025-000 firmware<fw22
WAGO 750-8212/025-000 firmware=fw22
WAGO 750-8212/025-000
WAGO 750-8212/025-001 firmware<fw22
WAGO 750-8212/025-001 firmware=fw22
WAGO 750-8212/025-001
WAGO 750-8212/025-002 firmware<fw22
WAGO 750-8212/025-002 firmware=fw22
WAGO 750-8212/025-002
WAGO 750-8212/040-000 firmware<fw22
WAGO 750-8212/040-000 firmware=fw22
WAGO 750-8212/040-000
WAGO 750-8212/040-001 firmware<fw22
WAGO 750-8212/040-001 firmware=fw22
WAGO 750-8212
WAGO 750-8212/040-010 firmware<fw22
WAGO 750-8212/040-010 firmware=fw22
WAGO 750-8212/040-010
WAGO 750-8213/040-010 firmware<fw22
WAGO 750-8213/040-010 firmware=fw22
WAGO 750-8213/040-010
WAGO 750-8213/040-010 firmware<fw22
WAGO 750-8213/040-010 firmware=fw22
WAGO 750-8213/040-010
WAGO 750-8214 firmware<fw22
WAGO 750-8214 firmware=fw22
WAGO 750-8214 firmware
WAGO 750-8215 firmware<fw22
WAGO 750-8215 firmware=fw22
WAGO 750-8215 firmware
WAGO 750-8216 firmware<fw22
WAGO 750-8216 firmware=fw22
WAGO 750-8216/040-000
WAGO 750-8216/025-000 firmware<fw22
WAGO 750-8216/025-000 firmware=fw22
WAGO 750-8216/025-000
WAGO 750-8216/025-001 firmware<fw22
WAGO 750-8216/025-001 firmware=fw22
WAGO 750-8216/025-001
WAGO 750-8216/040-000 firmware<fw22
WAGO 750-8216/040-000 firmware=fw22
WAGO 750-8216/040-000
WAGO 750-8217 firmware<fw22
WAGO 750-8217 firmware=fw22
WAGO 750-8217 firmware
WAGO 750-8217/025-000 firmware<fw22
WAGO 750-8217/025-000 firmware=fw22
WAGO 750-8217/025-000
WAGO 750-8217/600-000 firmware<fw22
WAGO 750-8217/600-000 firmware=fw22
WAGO 750-8217/600-000
WAGO 750-8217/625-000 firmware<fw22
WAGO 750-8217/625-000 firmware=fw22
WAGO 750-8217/625-000
WAGO 750-823 firmware<fw11
WAGO 750-823 firmware
WAGO 750-829 firmware<fw17
WAGO 750-829 firmware
WAGO Ethernet Firmware<fw17
WAGO 750-831 firmware
WAGO 750-831/000-002 firmware<fw17
WAGO 750-831/000-002
WAGO 750-832/000-002 firmware<fw11
WAGO 750-xxx series firmware
WAGO 750-832/000-002 firmware<fw11
WAGO 750-832/000-002
WAGO 750-852 firmware<fw17
WAGO 750-xxx series firmware
WAGO 750-862 firmware<fw11
WAGO 750-xxx series firmware
WAGO 750-880/040-000 firmware<fw17
WAGO 750-880/040-000
WAGO 750-880/025-000 firmware<fw17
WAGO 750-880/025-000
WAGO 750-880<fw17
WAGO 750-880/025-001
WAGO 750-880/025-002 firmware<fw17
WAGO 750-880/025-002
WAGO 750-880/040-000 firmware<fw17
WAGO 750-880/040-000
WAGO Ethernet Firmware<fw17
WAGO 750-881 firmware
WAGO 750-882 firmware<fw17
WAGO 750-882 firmware
WAGO 750-885 firmware<fw17
WAGO 750-885 firmware
WAGO 750-885/025-000 firmware<fw17
WAGO 750-885/025-000
WAGO 750-889 firmware<fw17
WAGO 750-889 firmware
WAGO 750-890 Firmware<fw11
WAGO 750-890 firmware
WAGO 750-890/025-000 firmware<fw11
WAGO 750-890/025-000
WAGO 750-890/025-001 firmware<fw11
WAGO 750-890/025-001
WAGO 750-890/025-002 firmware<fw11
WAGO 750-890/025-002
WAGO 750-890/040-000 firmware<fw11
WAGO 750-890/040-000
WAGO 750-891 firmware<fw11
WAGO 750-891 firmware
WAGO Ethernet Firmware<fw11
WAGO 750-893 firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-1620?

    The severity of CVE-2023-1620 is classified as high due to the potential for denial of service attacks on multiple WAGO devices.

  • How do I fix CVE-2023-1620?

    To mitigate CVE-2023-1620, update the firmware of the affected WAGO devices to the latest version provided by WAGO.

  • Which WAGO devices are affected by CVE-2023-1620?

    CVE-2023-1620 affects various WAGO devices including models in the 750-331 and 750-8202 series running specific firmware versions.

  • Can CVE-2023-1620 be exploited remotely?

    Yes, CVE-2023-1620 can be exploited by an authenticated remote attacker with high privileges.

  • What are the potential impacts of CVE-2023-1620?

    The impact of CVE-2023-1620 includes the possibility of causing a denial of service to the affected WAGO devices.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203