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CVE-2025-25733: Incorrect access control in the SPI Flash Chip of Kapsch TrafficCom RIS-9160 & RIS-9260 Roadside Units (RSUs)

22
Routine
LOW 3.5MITIGATEMITIGATE

CVE-2025-25733 is a low-severity flaw (CVSS 3.5) affecting ris-9160 firmware, ris-9260 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Incorrect access control in the SPI Flash Chip of 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 allows physically proximate attackers to arbitrarily modify SPI flash regions, leading to a degradation of the security posture of the device.

Why this priority

  • Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score3.5 (Low)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.3% (top 80%)
CISA exploited listNo
WeaknessCWE-1233
Published2025-08-26
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: kapsch

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

kapsch ris-9160 firmware MITIGATE
Affected: 3.2.0.829.23 · 3.8.0.1119.42 · 4.6.0.1211.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.2.0.829.23
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
kapsch ris-9260 firmware MITIGATE
Affected: 3.2.0.829.23 · 3.8.0.1119.42 · 4.6.0.1211.28
Fixed in: no fixed release known
Safe to downgrade to: a release before 3.2.0.829.23
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-25733?

ris-9160 firmware: mitigate or apply the listed mitigation; ris-9260 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-25733 being exploited?

CVE-2025-25733 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-25733 affect?

CVE-2025-25733 affects ris-9160 firmware, ris-9260 firmware. Severity is low (CVSS 3.5). Incorrect access control in the SPI Flash Chip of 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 allows physically proximate attackers to arbitrarily modify SPI flash regions, l

How urgent is CVE-2025-25733?

Priority 22/100. Public exploit reference

Related CVEs

References

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