ICSA-22-286-08: Siemens SCALANCE and RUGGEDCOM Devices
CISA advisory · released 2022-10-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 5, 2025-05-06 (final)
CISA's summary
Summary: The products listed below contain a denial of service vulnerability in the TCP event interface that could allow an unauthenticated remote attacker to render the device unusable. Siemens has released updates for the affected products and recommends to update to the latest versions.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) | <V7.1.2 |
| Siemens | RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) | <V7.1.2 |
| Siemens | SCALANCE M804PB (6GK5804-0AP00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M812-1 ADSL-Router (6GK5812-1AA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M812-1 ADSL-Router (6GK5812-1BA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M816-1 ADSL-Router (6GK5816-1AA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M816-1 ADSL-Router (6GK5816-1BA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) | <V7.1.2 |
| Siemens | SCALANCE M874-2 (6GK5874-2AA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M874-3 (6GK5874-3AA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE M876-3 (6GK5876-3AA02-2BA2) | <V7.1.2 |
| Siemens | SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) | <V7.1.2 |
| Siemens | SCALANCE M876-4 (6GK5876-4AA10-2BA2) | <V7.1.2 |
| Siemens | SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) | <V7.1.2 |
| Siemens | SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) | <V7.1.2 |
| Siemens | SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) | <V7.1.2 |
| Siemens | SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) | <V7.1.2 |
| Siemens | SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) | <V7.1.2 |
| Siemens | SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) | <V7.1.2 |
| Siemens | SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) | <V7.1.2 |
| Siemens | SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) | >=V1.1.0|<V3.0.0 |
| Siemens | SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) | >=V1.1.0|<V3.0.0 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-31766 — CVE-2022-31766 · CWE-20
Affected devices with TCP Event service enabled do not properly handle malformed packets. This could allow an unauthenticated remote attacker to cause a denial of service condition and reboot the device thus possibly affecting other network resources.
Acknowledgments, as the advisory lists them
- Martin Grubhofer, Michael Messner, Siemens Energy
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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