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TI-2018-11887 Aliases CVE-2018-16591GHSA-jj3p-f5rj-jw7r

FURUNO FELCOM 250 and 500 devices allow unauthenticated users to change the password for…

Priority MEDIUM 46CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

FURUNO FELCOM 250 and 500 devices allow unauthenticated users to change the password for the Admin, Log and Service accounts, as well as the password for the protected "SMS" panel via /cgi-bin/sm_changepassword.cgi and /cgi-bin/sm_sms_changepasswd.cgi.

Why it matters now

EPSS 0.02162 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:furuno:felcom_250_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableFuruno
cpe:2.3:h:furuno:felcom_250:-:*:*:*:*:*:*:*not specified by NVDRunning onFuruno
cpe:2.3:o:furuno:felcom_500_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableFuruno
cpe:2.3:h:furuno:felcom_500:-:*:*:*:*:*:*:*not specified by NVDRunning onFuruno
  • cpe:2.3:o:furuno:felcom_250_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Furuno
  • cpe:2.3:h:furuno:felcom_250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furuno
  • cpe:2.3:o:furuno:felcom_500_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Furuno
  • cpe:2.3:h:furuno:felcom_500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Furuno

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-16591
  2. 2026-10-03 Alias added: GHSA-jj3p-f5rj-jw7r

References

  • TI-2018-11886 FURUNO FELCOM 250 and 500 devices use only client-side JavaScript in login.js for authentication. CVSS 3.0CRITICAL 9.8
  • TI-2018-11958 FURUNO FELCOM 250 and 500 devices allow unauthenticated access to the xml/permission.xml… CVSS 3.0CRITICAL 9.8

Sources