What is CVE-2018-16705?

CVE-2018-16705 is a critical-severity vulnerability in Furuno Felcom 250, classified under Information Disclosure. CVSS score: 9.8/10. Published 2018-09-10.

How severe is CVE-2018-16705?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Furuno Felcom 250

CVE-2018-16705

FURUNO FELCOM 250 and 500 devices allow unauthenticated access to the xml/permission.xml file containing all of the system's usernames and passwords. This includes the Admin and Service user accounts and their unsalted MD5 hashes, as well as the SMS server password in cleartext.

Vulnerability class: Information Disclosure

Published 2018-09-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cyberskr.com/blog/furuno-felcom.html (Technical Description, Exploit, Third Party Advisory)
gist.github.com/CyberSKR/c00eabd6b1d5603d724b615ab358ff31 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-16705?: CVE-2018-16705 is a critical-severity vulnerability in Furuno Felcom 250, classified under Information Disclosure. CVSS score: 9.8/10. Published 2018-09-10.
How severe is CVE-2018-16705?: Critical severity. CVSS v3 base score is 9.8 out of 10.