CVE-2025-47697Network attack vector

Unauthenticated moderator access via client-side enforcement

Published May 30, 2025 · Updated May 30, 2025

Authentication bypass in Uchida Yoko wivia 5 firmware all versions allows remote attackers to operate the device as a moderator user. The vendor identifies client-side enforcement in the moderator-page authentication flow but has not disclosed the request, parameter, or validation logic that trusts client-controlled state. No credentials or user interaction are required; successful access permits unauthorized login and control of presentation state, including switching the projected screen.

CVSS severity6.5
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Uchida Yoko wivia 5 firmware all versions allows remote attackers to operate the device as a moderator user. The vendor identifies client-side enforcement in the moderator-page authentication flow but has not disclosed the request, parameter, or validation logic that trusts client-controlled state. No credentials or user interaction are required; successful access permits unauthorized login and control of presentation state, including switching the projected screen.

The record

CVE
CVE-2025-47697
Published
May 30, 2025
Updated
May 30, 2025
Vendor
Uchida Yoko Co., Ltd.
Product
wivia 5
Classifications
CWE-602, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 30, 2025CVE publishedPublication date reported by the CVE source.
  2. May 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=all versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Uchida Yoko Co., Ltd. · wivia 5version=all versions

Published CVSS scores

6.5JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.9JPCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-602Client-Side Enforcement of Server-Side Security
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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