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ICSA-25-162-03: Siemens SCALANCE and RUGGEDCOM

CISA advisory · released 2025-06-10

Source record Collected from CISA's CSAF advisory feed

CISA's summary

Summary: Several Industrial Communication Devices based on SINEC OS before V3.1 contain an incorrect authorization check vulnerability that could allow an attacker to perform actions that exceed the permissions of the "guest" role. Siemens has released new versions for the affected products and recommends to update to the latest versions.

Products, as the advisory lists them

VendorProductVersion
SiemensRUGGEDCOM RST2428P (6GK6242-6PA00)vers:all/<V3.1
SiemensSCALANCE XC316-8 (6GK5324-8TS00-2AC2)vers:all/<V3.1
SiemensSCALANCE XC324-4 (6GK5328-4TS00-2AC2)vers:all/<V3.1
SiemensSCALANCE XC324-4 EEC (6GK5328-4TS00-2EC2)vers:all/<V3.1
SiemensSCALANCE XC332 (6GK5332-0GA00-2AC2)vers:all/<V3.1
SiemensSCALANCE XC416-8 (6GK5424-8TR00-2AC2)vers:all/<V3.1
SiemensSCALANCE XC424-4 (6GK5428-4TR00-2AC2)vers:all/<V3.1
SiemensSCALANCE XC432 (6GK5432-0GR00-2AC2)vers:all/<V3.1
SiemensSCALANCE XCH328 (6GK5328-4TS01-2EC2)vers:all/<V3.1
SiemensSCALANCE XCM324 (6GK5324-8TS01-2AC2)vers:all/<V3.1
SiemensSCALANCE XCM328 (6GK5328-4TS01-2AC2)vers:all/<V3.1
SiemensSCALANCE XCM332 (6GK5332-0GA01-2AC2)vers:all/<V3.1
SiemensSCALANCE XR302-32 (6GK5334-5TS00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR302-32 (6GK5334-5TS00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR302-32 (6GK5334-5TS00-4AR3)vers:all/<V3.1
SiemensSCALANCE XR322-12 (6GK5334-3TS00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR322-12 (6GK5334-3TS00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR322-12 (6GK5334-3TS00-4AR3)vers:all/<V3.1
SiemensSCALANCE XR326-8 (6GK5334-2TS00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR326-8 (6GK5334-2TS00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR326-8 (6GK5334-2TS00-4AR3)vers:all/<V3.1
SiemensSCALANCE XR326-8 EEC (6GK5334-2TS00-2ER3)vers:all/<V3.1
SiemensSCALANCE XR502-32 (6GK5534-5TR00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR502-32 (6GK5534-5TR00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR502-32 (6GK5534-5TR00-4AR3)vers:all/<V3.1
SiemensSCALANCE XR522-12 (6GK5534-3TR00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR522-12 (6GK5534-3TR00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR522-12 (6GK5534-3TR00-4AR3)vers:all/<V3.1
SiemensSCALANCE XR526-8 (6GK5534-2TR00-2AR3)vers:all/<V3.1
SiemensSCALANCE XR526-8 (6GK5534-2TR00-3AR3)vers:all/<V3.1
SiemensSCALANCE XR526-8 (6GK5534-2TR00-4AR3)vers:all/<V3.1
SiemensSCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3)vers:all/<V3.1
SiemensSCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3)vers:all/<V3.1
SiemensSCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3)vers:all/<V3.1

DeSpy has not checked any unit, hardware revision or firmware.

Vulnerabilities in this advisory

Acknowledgments, as the advisory lists them

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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