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TI-2026-54406 Aliases CVE-2026-78225GHSA-xr64-qq65-vf4r

Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key

Priority MEDIUM 43CWE-321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00508 43rd percentileScored 2026-11-07
Fix Fixed FOS-Onboard (Wärtsilä): 5.08.4052.01

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WärtsiläFOS-Onboard5.07.0923.015.08.4052.01Patch availableCNA
  • FOS-Onboard VendorWärtsilä Affected 5.07.0923.01 Fixed in 5.08.4052.01 Patch available CNA

Remediation

  • Fix · CNA FOS-Onboard (Wärtsilä) Fixed in 5.08.4052.01

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78225
  2. 2026-10-03 Alias added: GHSA-xr64-qq65-vf4r

References

  • TI-2026-56476 Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key CVSS 4.0CRITICAL 9.3

Sources