How severe is CVE-2025-25735?

CVE-2025-25735 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-25735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-25735?

CVE-2025-25735 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-2025-25735?

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

Does CVE-2025-25735 have an EU (EUVD) identifier?

Yes. CVE-2025-25735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25797.

When was CVE-2025-25735 published?

CVE-2025-25735 was published on 2025-08-26 and last updated on 2026-06-17.

CVE-2025-25735

CVE-2025-25735 is a medium-severity vulnerability in Kapsch Ris-9160 Firmware with a CVSS 3.x base score of 4.6. 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-1233.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25797
Weakness: CWE-1233
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 were discovered to lack SPI Protected Range Registers (PRRs), allowing attackers with software running on the system to modify SPI flash in real-time.

Frequently asked questions

What is CVE-2025-25735?: 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 discovered to lack SPI Protected Range Registers (PRRs), allowing attackers with software running on the system to modify SPI flash in real-time.
How severe is CVE-2025-25735?: CVE-2025-25735 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-25735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-25735?: CVE-2025-25735 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-2025-25735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-25735 have an EU (EUVD) identifier?: Yes. CVE-2025-25735 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25797.
When was CVE-2025-25735 published?: CVE-2025-25735 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-2025-25734 — 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 was…
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-2025-25733 — Low (CVSS 3.5): Incorrect access control in the SPI Flash Chip of Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs)…

All CVEs affecting Kapsch Ris-9160 Firmware →

Other CWE-1233 vulnerabilities

CVE-2025-61972 — High (CVSS 8.5): Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System…
CVE-2025-61971 — Medium (CVSS 5.9): Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing…
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)…

Browse all CWE-1233 vulnerabilities →