Auth bypass in Kapsch Ris-9160
CVE-2025-25736
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Kapsch Ris-9160
- Kapsch Ris-9160 Firmware — versions 3.2.0.829.23, 3.8.0.1119.42, 4.6.0.1211.28
- Kapsch Ris-9260
- Kapsch Ris-9260 Firmware — versions 3.2.0.829.23, 3.8.0.1119.42, 4.6.0.1211.28
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cwe.mitre.org/data/definitions/306.html (Technical Description)
- www.kapsch.net/en (Product)
- www.kapsch.net/_Resources/Persistent/3d251a8445e0bf50093903ad70b3dbed34dec7e7/K… (Broken Link)
- www.kapsch.net/en/press/releases/ktc-20200813-pr-en (Product)
- phrack.org/issues/72/16_md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-25736?
- CVE-2025-25736 is a medium-severity vulnerability in Kapsch Ris-9160, classified under Missing Authentication for Critical Function. CVSS score: 6.8/10. Published 2025-08-26.
- How severe is CVE-2025-25736?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2025-25736 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.