How severe is CVE-2025-25734?

CVE-2025-25734 has a CVSS 3.x base score of 6.8, rated medium 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-2025-25734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25734?

CVE-2025-25734 primarily affects Kapsch Ris-9160 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-25734?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-25734 have an EU (EUVD) identifier?

Yes. CVE-2025-25734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25798.

When was CVE-2025-25734 published?

CVE-2025-25734 was published on 2025-08-26 and last updated on 2026-06-17.

CVE-2025-25734

CVE-2025-25734 is a medium-severity vulnerability in Kapsch Ris-9160 Firmware with a CVSS 3.x base score of 6.8. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25798
Weakness: CWE-284
Affected product: Kapsch Ris-9160 Firmware
Published: 2025-08-26
Last modified: 2026-06-17

Description

Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process.

Frequently asked questions

What is CVE-2025-25734?: Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 was discovered to contain an unauthenticated EFI shell which allows attackers to execute arbitrary code or escalate privileges during the boot process.
How severe is CVE-2025-25734?: CVE-2025-25734 has a CVSS 3.x base score of 6.8, rated medium 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-2025-25734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25734?: CVE-2025-25734 primarily affects Kapsch Ris-9160 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-25734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25734 have an EU (EUVD) identifier?: Yes. CVE-2025-25734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25798.
When was CVE-2025-25734 published?: CVE-2025-25734 was published on 2025-08-26 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:kapsch:ris-9160_firmware:3.2.0.829.23:*:*:*:*:*:*:*
cpe:2.3:o:kapsch:ris-9160_firmware:3.8.0.1119.42:*:*:*:*:*:*:*
cpe:2.3:o:kapsch:ris-9160_firmware:4.6.0.1211.28:*:*:*:*:*:*:*
cpe:2.3:o:kapsch:ris-9260_firmware:3.2.0.829.23:*:*:*:*:*:*:*
cpe:2.3:o:kapsch:ris-9260_firmware:3.8.0.1119.42:*:*:*:*:*:*:*
cpe:2.3:o:kapsch:ris-9260_firmware:4.6.0.1211.28:*:*:*:*:*:*:*

More vulnerabilities in Kapsch Ris-9160 Firmware

CVE-2025-25737 — Medium (CVSS 6.8): Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 were…
CVE-2025-25736 — Medium (CVSS 6.8): Kapsch TrafficCom RIS-9260 RSU LEO v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 were discovered to contain Android…
CVE-2025-25732 — Medium (CVSS 6.8): Incorrect access control in the EEPROM component of Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs)…
CVE-2025-25735 — Medium (CVSS 4.6): Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs) v3.2.0.829.23, v3.8.0.1119.42, and v4.6.0.1211.28 were…
CVE-2025-25733 — Low (CVSS 3.5): Incorrect access control in the SPI Flash Chip of Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs)…

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