Vulnerability in Wärtsilä Fos-Onboard

CVE-2026-78225

A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of Wärtsilä FOS-Onboard.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-78225?
CVE-2026-78225 is a critical-severity vulnerability in Wärtsilä Fos-Onboard, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.0/10. Published 2026-09-15.
How severe is CVE-2026-78225?
Critical severity. CVSS v3 base score is 9.0 out of 10.