CVE-2025-13955: Predictable Default Wi-Fi Password in EZCast Pro II Dongle

Severity: critical (CVSS 9.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-10 · updated 2026-10-14
Weakness: CWE-330

Description

Predictable default Wi-Fi Password in Access Point functionality in EZCast Pro II before version 1.17478.177 allows attackers in Wi-Fi range to gain access to the dongle by calculating the default password from observable device identifiers

Affected products

EZCast Pro II: before 1.17478.177 — fixed in 1.17478.177

How to fix

Upgrade to a fixed version: EZCast Pro II 1.17478.177. Check the vendor advisory for mitigations.

References

https://www.ncsc.admin.ch/ncsc/en/home/infos-fuer/infos-it-spezialisten/themen/schwachstelle-melden/cvd-cases/cvd-case-1-test.html
https://www.nimbletech.com.tw/index.php/release-note/

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