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CVE-2025-27851

critical · 9.3

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.

9.3
CVSS
0.1%
EPSS (exploit prob.)
4th
EPSS percentile
2026-05-13
Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weaknesses

CWE-352

Affected products

VendorProductAffected versions
garminempirbus_wireless_display_unit_firmware1.4.6
garminempirbus_wireless_display_unitv1
garminempirbus_wireless_display_unit_firmware5.00
garminempirbus_wireless_display_unitv2

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-27851