CVE-2018-16705: Furuno Felcom 250 Firmware

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

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.

Affected products

• Furuno Felcom 250 Firmware: affected versions not specified
• Furuno Felcom 500 Firmware: affected versions not specified

Published 2018-09-10. Last modified 2026-06-17.