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TI-2023-04776 Aliases CVE-2023-5188GHSA-3c9v-fv3c-v7rc

WAGO Improper Input Validation in IEC61850 Server / Telecontrol

Priority LOW 35CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01036 64th percentileScored 2026-11-07
Fix Fixed WagoAppRTU (WAGO): 1.4.6.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
WAGOTelecontrol Configuratorall versions—No fix listedCNA
WAGOWagoAppRTUbefore 1.4.6.01.4.6.0Patch availableCNA
  • Telecontrol Configurator VendorWAGO Affected all versions Fixed in — No fix listed CNA
  • WagoAppRTU VendorWAGO Affected before 1.4.6.0 Fixed in 1.4.6.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:wago:telecontrol_configurator:*:*:*:*:*:*:*:*all versionsVulnerableWAGO
cpe:2.3:a:wago:wagoapprtu:*:*:*:*:*:*:*:*before 1.4.6.0VulnerableWAGO
  • cpe:2.3:a:wago:telecontrol_configurator:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·WAGO
  • cpe:2.3:a:wago:wagoapprtu:*:*:*:*:*:*:*:* Versions before 1.4.6.0 Vulnerable ·WAGO

Remediation

  • Fix · CNA WagoAppRTU (WAGO) Fixed in 1.4.6.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5188
  2. 2026-10-03 Alias added: GHSA-3c9v-fv3c-v7rc

References

Sources