CVE-2026-78225 Wärtsilä FOS-Onboard - Hardcoded Credentials

Wärtsilä FOS-Onboard contains a hardcoded cryptographic key vulnerability in the deployer-ng Update Controller component, letting attackers potentially compromise cryptographic security, exploit requires no special conditions.

CVSS base score 9.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Hardcoded Credentials
Impact
Weak Cryptography
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-321

Vendor fix

Update to the latest version with fixed cryptographic key management.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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