CVE-2025-40761
highpriority · track · 0OT risk · elevatedEPSS 0.002 · 14 %ileDEEUNLRUUSEPSS · scored 2026-10-22
A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions), RUGGEDCOM ROX MX5000RE (All versions), RUGGEDCOM ROX RX1400 (All versions), RUGGEDCOM ROX RX1500 (All versions), RUGGEDCOM ROX RX1501 (All versions), RUGGEDCOM ROX RX1510 (All versions), RUGGEDCOM ROX RX1511 (All versions), RUGGEDCOM ROX RX1512 (All versions), RUGGEDCOM ROX RX1524 (All versions), RUGGEDCOM ROX RX1536 (All versions), RUGGEDCOM ROX RX5000 (All versions). Affected devices do not properly limit access through its Built-In-Self-Test (BIST) mode. This could allow an attacker with physical access to the serial interface to bypass authentication and get access to a root shell on the device.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationRUGGEDCOM ROX MX5000siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX MX5000REsiemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1400siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983826/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1500siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1501siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1510siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1511siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1512siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1524siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1536siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX5000siemens_psirt
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX MX5000cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX MX5000REcisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1400cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983826/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1500cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1501cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1510cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1511cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1512cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1524cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX1536cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983829/ Sec. 5.9.3 for more details
- MitigationRUGGEDCOM ROX RX5000cisa_csaf_ot
Ensure a secure boot password is set as described in the configuration manual to prevent unauthorized access to BIST mode. See https://support.industry.siemens.com/cs/document/109983832/ Sec. 5.9.3 for more details
- No fix availableRUGGEDCOM ROX MX5000siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX MX5000REsiemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1400siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1500siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1501siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1510siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1511siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1512siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1524siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1536siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX5000siemens_psirt
Currently no fix is available
- No fix availableRUGGEDCOM ROX MX5000cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX MX5000REcisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1400cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1500cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1501cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1510cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1511cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1512cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1524cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX1536cisa_csaf_ot
Currently no fix is available
- No fix availableRUGGEDCOM ROX RX5000cisa_csaf_ot
Currently no fix is available
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.6–8.6
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (146)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0246Kwetsbaarheden verholpen in Siemens productenNL2025-08-12csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als SIMATIC, SINEC, SIMAC, RUGGEDCOM, SIMOTION, SINAMICS, SIPROTEC en SINUMERIK.
- SSA-094954SSA-094954: Authentication Bypass Vulnerability in BIST mode of RUGGEDCOM ROX II2025-08-12csaf · siemens_psirtDE
RUGGEDCOM ROX II devices do not properly limit access through their Built-In-Self-Test (BIST) mode. This could allow a local attacker to bypass authentication and access a root shell on the device. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
- ICSA-25-226-20Siemens RUGGEDCOM ROX II2025-08-12icsa · cisa_csaf_otUS
RUGGEDCOM ROX II devices do not properly limit access through their Built-In-Self-Test (BIST) mode. This could allow a local attacker to bypass authentication and access a root shell on the device. Siemens is preparing fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://cert-portal.siemens.com/productcert/html/ssa-094954.htmlcnnvd
- https://vigilance.fr/vulnerability/Siemens-RUGGEDCOM-ROX-II-family-privilege-escalation-via-BIST-Mode-47921cnnvd
- https://cert-portal.siemens.com/productcert/html/ssa-094954.htmlenisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-094954.htmlnvd
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