CVE-2025-27851
9.3 · CRITICALOverview
CVE-2025-27851 is a critical-severity vulnerability affecting garmin empirbus_wireless_display_unit_firmware. It was published on May 13, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from garmin. Update empirbus_wireless_display_unit_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
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Frequently Asked Questions
What is CVE-2025-27851?
CVE-2025-27851 is a critical-severity vulnerability affecting garmin empirbus_wireless_display_unit_firmware. It was published on May 13, 2026 and has a CVSS 3.1 base score of 9.3 (CRITICAL).
How severe is CVE-2025-27851?
This vulnerability has a CVSS 3.1 base score of 9.3, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-27851?
Check the references section for vendor advisories and patches from garmin. Update empirbus_wireless_display_unit_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-27851?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-27851 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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