CVE-2020-12516

WAGO: PLC families 750-88x and 750-352 prone to DoS attack

HIGH
7.5
CVSS Score
Published: December 10, 2020 at 03:04 AM UTC
Updated: June 17, 2026 at 02:51 AM UTC
20 products affected across 1 vendor750-881 Firmware750-880 Firmware750-889 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

fw1 ≤ v ≤ fw10FW1<=FW10
wago-750-331 (same device)
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10
fw1 ≤ v ≤ fw10

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_CONFIRMPatchThird Party Advisory
https://cert.vde.com/en-us/advisories/vde-2020-042
x_refsource_MISCMitigationThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-01

CVSS

7.5HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400NVD-CWE-noinfo

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