How severe is CVE-2025-40761?

CVE-2025-40761 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-40761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40761?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-40761 have an EU (EUVD) identifier?

Yes. CVE-2025-40761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24239.

When was CVE-2025-40761 published?

CVE-2025-40761 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-40761

CVE-2025-40761 is a high-severity vulnerability with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-288.

Key facts

Severity: High (CVSS 3.x base score 7.6)
CVSS v4: 8.6
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24239
Weakness: CWE-288
Published: 2025-08-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-40761?: 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.
How severe is CVE-2025-40761?: CVE-2025-40761 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-40761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-40761 have an EU (EUVD) identifier?: Yes. CVE-2025-40761 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24239.
When was CVE-2025-40761 published?: CVE-2025-40761 was published on 2025-08-12 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-094954.html

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