CVE-2025-27853
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Vulnerability report for CVE-2025-27853, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-13

Last updated on: 2026-06-02

Assigner: MITRE

Description

The locally served web site on the Garmin WDU (v1 1.4.6 and v2 5.0) allows its authentication to be bypassed. The WDU web site only performs authentication with the client within the client's browser. The WebSockets used to communicate with the WDU server do not enforce any authentication. An attacker may bypass all authentication mechanisms by directly utilizing the remote APIs available on the websocket.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-05-13
Last Modified
2026-06-02
Generated
2026-06-30
EPSS Evaluated
2026-06-28
NVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
garmin empirbus_wireless_display_unit_firmware 1.4.6
garmin empirbus_wireless_display_unit_firmware 5.00

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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EPSS Chart