CVE-2020-12516: Wago 750-331 Firmware

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.

Affected products

• Wago 750-331 Firmware: from fw1, up to and including fw10
• Wago 750-352 Firmware: from fw1, up to and including fw10
• Wago 750-829 Firmware: from fw1, up to and including fw10
• Wago 750-831 Firmware: from fw1, up to and including fw10
• Wago 750-852 Firmware: from fw1, up to and including fw10
• Wago 750-880 Firmware: from fw1, up to and including fw10
• Wago 750-881 Firmware: from fw1, up to and including fw10
• Wago 750-882 Firmware: from fw1, up to and including fw10
• Wago 750-885 Firmware: from fw1, up to and including fw10
• Wago 750-889 Firmware: from fw1, up to and including fw10

Published 2020-12-10. Last modified 2026-06-17.