Predictable Default Wi-Fi Password in EZCast Pro II Dongle
Summary
| CVE | CVE-2025-13955 |
|---|---|
| State | PUBLISHED |
| Assigner | NCSC.ch |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-10 09:15:46 UTC |
| Updated | 2026-05-28 13:16:22 UTC |
| 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 |
Risk And Classification
Primary CVSS: v4.0 9.3 CRITICAL from [email protected]
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:L/U:X
EPSS: 0.000250000 probability, percentile 0.075260000 (date 2026-06-01)
Problem Types: CWE-330 | CWE-330 CWE-330 Use of Insufficiently Random Values
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 9.3 | CRITICAL | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 9.3 | CRITICAL | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/AU:Y/... |
CVSS v4.0 Breakdown
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:L/U:X
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | EZCast | EZCast Pro II | affected 1.17478.177 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.nimbletech.com.tw/index.php/release-note | [email protected] | www.nimbletech.com.tw | |
| www.ncsc.admin.ch/ncsc/en/home/infos-fuer/infos-it-spezialisten/themen/schwachs... | [email protected] | www.ncsc.admin.ch | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Swiss National Test Institute for Cybersecurity NTC (en)
CNA: Swiss National Cybersecurity Centre (en)
Additional Advisory Data
Solutions
CNA: Upgrade the firmware to version 1.17478.177 or later.
Workarounds
CNA: Until a firmware patch is made available by the vendor, all users are advised to change the default password in the management UI.