CVE intelligence and bounded remediation

CVE-2025-25736 — Kapsch Ris-9160 Firmware security vulnerability

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 Debug Bridge (ADB) pre-installed (/mnt/c3platpersistent/opt/platform-tools/adb) and enabled by default, allowing unauthenticated root shell access to the cellular modem via the default 'kapsch' user.

Severity
Medium
CVSS
6.8 (3.1)
Published
2025-08-26
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-306

Affected products

  • kapsch / ris-9160_firmware / 3.2.0.829.23
  • kapsch / ris-9160_firmware / 3.8.0.1119.42
  • kapsch / ris-9160_firmware / 4.6.0.1211.28
  • kapsch / ris-9260_firmware / 3.2.0.829.23
  • kapsch / ris-9260_firmware / 3.8.0.1119.42
  • kapsch / ris-9260_firmware / 4.6.0.1211.28

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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