🛡️ CVE-2025-27851
🔴 CVSS 9.3 — Critical ✅ No Known Exploit CWE-352 NVD
9.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity CRITICAL
CVSS Score 9.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE CWE-352
Public Exploit ✅ No
Source NVD
Published 2026-05-13
Updated 2026-06-03
Modified 2026-06-02
Fix URL N/A

Affected Packages

Software From version Fixed in
empirbus-wireless-display-unit-firmware — —
unknown — —

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