CVE-2023-40282

Unauthorized management-screen access

Published Aug 23, 2023 · Updated Jul 1, 2025

Improper authentication in Rakuten WiFi Pocket all versions allows remote attackers on its local network to access the Management Screen. Rakuten Mobile has not published the specific authentication check that the Management Screen performs incorrectly or omits. Access requires connectivity to the router, and a successful login exposes sensitive information and permits configuration changes without reported service interruption.

CVSS severity5.4
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Rakuten WiFi Pocket all versions allows remote attackers on its local network to access the Management Screen. Rakuten Mobile has not published the specific authentication check that the Management Screen performs incorrectly or omits. Access requires connectivity to the router, and a successful login exposes sensitive information and permits configuration changes without reported service interruption.

The record

CVE
CVE-2023-40282
Published
Aug 23, 2023
Updated
Jul 1, 2025
Vendor
Rakuten Mobile, Inc.
Product
Rakuten WiFi Pocket
Classifications
CWE-287, T1190
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 1, 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 vectoradjacent
Required privilegesunauthenticated

What is affected?

Rakuten Mobile, Inc. · Rakuten WiFi Pocketversion=all versions

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
2.9JPCERT/CCAV:A/AC:M/Au:N/C:P/I:N/A:N
3.1JPCERT/CCCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A: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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
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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