NAVTOR NavBox — CVE-2026-21404

Summary

View CSAF Summary Successful exploitation of this vulnerability could allow a local attacker to gain unauthorized access to SOAP methods, resulting in a disruption of operations. The following versions of NAVTOR NavBox are affected: NavBox 4.16.1.20 (CVE-2026-21404) CVSS Vendor Equipment Vulnerabilities v3 6.3 NAVTOR NAVTOR NavBox Use of Hard-coded Credentials Background Critical Infrastructure Sectors: Information…

Product

ICS Advisory

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Related advisories