Description
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.2.1), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.2.1), SCALANCE M804PB (6GK5804-0AP00-2AA2) (All versions < V8.2.1), SCALANCE M812-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M816-1 ADSL-Router family (All versions < V8.2.1), SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) (All versions < V8.2.1), SCALANCE M874-2 (6GK5874-2AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 (6GK5874-3AA00-2AA2) (All versions < V8.2.1), SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) (All versions < V8.2.1), SCALANCE M876-3 (6GK5876-3AA02-2BA2) (All versions < V8.2.1), SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) (All versions < V8.2.1), SCALANCE M876-4 (6GK5876-4AA10-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) (All versions < V8.2.1), SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) (All versions < V8.2.1), SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1) (All versions < V8.2.1), SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) (All versions < V8.2.1), SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) (All versions < V8.2.1), SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) (All versions < V8.2.1), SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) (All versions < V8.2.1), SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) (All versions < V8.2.1), SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) (All versions < V8.2.1), SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) (All versions < V8.2.1), SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) (All versions < V8.2.1), SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) (All versions < V8.2.1), SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V3.2), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions < V3.2), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions < V3.2), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions < V3.2), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions < V3.2), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions < V3.2). Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | RUGGEDCOM RM1224 LTE(4G) EU | < V8.2.1 | V8.2.1 |
| Siemens | RUGGEDCOM RM1224 LTE(4G) NAM | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M804PB | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M812-1 ADSL-Router family | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M816-1 ADSL-Router family | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M826-2 SHDSL-Router | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M874-2 | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M874-3 | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M874-3 3G-Router (CN) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M876-3 | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M876-3 (ROK) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M876-4 | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M876-4 (EU) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE M876-4 (NAM) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUB852-1 (A1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUB852-1 (B1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM853-1 (A1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM853-1 (B1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM853-1 (EU) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM856-1 (A1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM856-1 (B1) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM856-1 (CN) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM856-1 (EU) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE MUM856-1 (RoW) | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE S615 EEC LAN-Router | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE S615 LAN-Router | < V8.2.1 | V8.2.1 |
| Siemens | SCALANCE SC622-2C | < V3.2 | V3.2 |
| Siemens | SCALANCE SC626-2C | < V3.2 | V3.2 |
| Siemens | SCALANCE SC632-2C | < V3.2 | V3.2 |
| Siemens | SCALANCE SC636-2C | < V3.2 | V3.2 |
| Siemens | SCALANCE SC642-2C | < V3.2 | V3.2 |
| Siemens | SCALANCE SC646-2C | < V3.2 | V3.2 |
Advisories 3
- ICSA-25-072-07 Siemens SCALANCE M-800 and SC-600 Families CISA ICS & IT advisories · May 14, 2026
- SSA-280834 SSA-280834: Improper OpenVPN Credential Validation Vulnerability in SCALANCE M-800 and SC-600 Families Siemens ProductCERT · May 12, 2026
- NCSC-2025-0077 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Mar 11, 2025