Back to Database
Status published
High
CVE-2020-12516
WAGO: PLC families 750-88x and 750-352 prone to DoS attack
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-12516
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- These vulnerabilities were reported to WAGO by: William Knowles, Applied Risk. Coordination done by CERT@VDE.
References
More from WAGO
View All →CVE-2025-41732
Stack-based buffer overflow via unsafe sscanf in check_cookie()
Critical
9.8
CVE-2025-41730
Stack-based buffer overflow via unsafe sscanf in check_account()
Critical
9.8
CVE-2025-41716
Unauthenticated User Enumeration via Missing Authentication
Medium
5.3
CVE-2025-41715
Missing Authentication for Database Access in Web Application
Critical
9.8
CVE-2025-41713
WAGO: Vulnerability in hardware switch circuit
Medium
6.5
Affected Vendor
WAGO
View all reports →Affected Software
750-331/xxx-xxx, 750-352, 750-829, 750-831/xxx-xxx, 750-852, 750-880/xxx-xxx, 750-881, 750-882, 750-885, 750-889
Vulnerable Versions:
FW1<=FW10
Timeline
Official Publish:
December 10th, 2020
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H