ICSA-25-072-07: Siemens SCALANCE M-800 and SC-600 Families
CISA advisory · released 2025-03-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 3, 2026-05-14 (final)
CISA's summary
Summary: SCALANCE M-800 and SC-600 families are affected by improper input validation in the OpenVPN authentication. Siemens has released new versions 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) | vers:intdot/<8.2.1 |
| Siemens | RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M804PB (6GK5804-0AP00-2AA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M812-1 ADSL-Router family | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M816-1 ADSL-Router family | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M874-2 (6GK5874-2AA00-2AA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M874-3 (6GK5874-3AA00-2AA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M876-3 (6GK5876-3AA02-2BA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M876-4 (6GK5876-4AA10-2BA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) | vers:intdot/<8.2.1 |
| Siemens | SCALANCE SC622-2C (6GK5622-2GS00-2AC2) | vers:intdot/<3.2 |
| Siemens | SCALANCE SC626-2C (6GK5626-2GS00-2AC2) | vers:intdot/<3.2 |
| Siemens | SCALANCE SC632-2C (6GK5632-2GS00-2AC2) | vers:intdot/<3.2 |
| Siemens | SCALANCE SC636-2C (6GK5636-2GS00-2AC2) | vers:intdot/<3.2 |
| Siemens | SCALANCE SC642-2C (6GK5642-2GS00-2AC2) | vers:intdot/<3.2 |
| Siemens | SCALANCE SC646-2C (6GK5646-2GS00-2AC2) | vers:intdot/<3.2 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2025-23384 — CVE-2025-23384 · CWE-187
Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reported this vulnerability to CISA.
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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