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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WAGO | Telecontrol Configurator | all versions | — | No fix listed | CNA |
| WAGO | WagoAppRTU | before 1.4.6.0 | 1.4.6.0 | Patch available | CNA |
Remediation
- Fix · CNA WagoAppRTU (WAGO) Fixed in 1.4.6.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5188
- 2026-10-03 Alias added: GHSA-3c9v-fv3c-v7rc
References
Sources
- CVE-2023-5188 · CVE Program
- CVE-2023-5188 · NVD
- FIRST EPSS
- GHSA-3c9v-fv3c-v7rc · GitHub Advisory Database · CC BY 4.0
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