CSRF in Garmin Empirbus Wireless Display Unit
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Garmin Empirbus Wireless Display Unit — versions v1, v2
- Garmin Empirbus Wireless Display Unit Firmware — versions 1.4.6, 5.00
Weakness classification (CWE)
References
- garmin.com (Product)
- www8.garmin.com/support/ch.jsp (Release Notes)
Frequently asked questions
- What is CVE-2025-27851?
- CVE-2025-27851 is a critical-severity vulnerability in Garmin Empirbus Wireless Display Unit, classified under Cross-Site Request Forgery (CSRF). CVSS score: 9.3/10. Published 2026-05-13.
- How severe is CVE-2025-27851?
- Critical severity. CVSS v3 base score is 9.3 out of 10.