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CVE-2023-5188

WAGO Improper Input Validation in IEC61850 Server / Telecontrol

HIGH
7.5
CVSS Score
Published: December 5, 2023 at 07:19 AM UTC
Updated: June 17, 2026 at 06:47 AM UTC
2 products affected across 1 vendorTelecontrol ConfiguratorWagoapprtu

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

The MMS Interpreter of WagoAppRTU in versions below 1.4.6.0 which is used by the WAGO Telecontrol Configurator is vulnerable to malformed packets. An remote unauthenticated attacker could send specifically crafted packets that lead to a denial-of-service condition until restart of the affected device.

Affected

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

Telecontrol Configurator· WAGO
95%
All versions
Wagoapprtu· WAGO
95%
v < 1.4.6.0
Affected range stops below 1.4.6.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://cert.vde.com/en/advisories/VDE-2023-044/

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-20NVD-CWE-noinfo

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