Vulnerability Details CVE-2025-27851
The locally served web site on the Garmin WDU (v1 1.4.6 and v2 5.0) allows a cross-site origin WebSocket hijacking attack. Among other uses, the WDU utilizes WebSockets to control settings, including administrative settings. This allows a network attacker to take full control of a WDU. To initiate an exploit of this vulnerability, the victim must (1) be utilizing a web browser on a multihomed host that has local interfaces on the Garmin Marine Network as well as another network, and (2) access a malicious third party website created by the attacker.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.2%
CVSS Severity
CVSS v3 Score 9.3
Products affected by CVE-2025-27851
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cpe:2.3:h:garmin:empirbus_wireless_display_unit:v1
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cpe:2.3:h:garmin:empirbus_wireless_display_unit:v2
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cpe:2.3:o:garmin:empirbus_wireless_display_unit_firmware:1.4.6
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cpe:2.3:o:garmin:empirbus_wireless_display_unit_firmware:5.00