Smartphone application Tohoku Electric Power "Yorisou e Net" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product.

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00142.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" Android App unaffected
Version Status Constraints
0 affected < 2.8.0
Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" iOS App unaffected
Version Status Constraints
0 affected < 2.8.0

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Tohoku Electric Power Company Subscribe
Yorisou E Net App Subscribe

Project Subscriptions

Vendors Products
Tohoku Electric Power Company Subscribe
Yorisou E Net App Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://apps.apple.com/jp/app/%E6%9D%B1%E5%8C%97%E9%9B%BB%E5%8A%9B-%E3%82%88%E3%82%8A%E3%81%9D%E3%81%86%EF%BD%85%E3%81%AD%E3%81%A3%E3%81%A8/id1420949327?l=en-US cve-icon cve-icon
https://jvn.jp/en/jp/JVN93985674/ cve-icon cve-icon
https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet&hl=ja cve-icon cve-icon
History

Fri, 25 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Tohoku Electric Power Company
Tohoku Electric Power Company yorisou E Net App
Vendors & Products Tohoku Electric Power Company
Tohoku Electric Power Company yorisou E Net App

Fri, 25 Sep 2026 09:15:00 +0000

Type Values Removed Values Added
Title Hard‑Coded Cryptographic Key in Tohoku Electric Power Yorisou e Net App

Fri, 25 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Description Smartphone application Tohoku Electric Power "Yorisou e Net" uses a hard-coded cryptographic key, which may allow an attacker to retrieve a hard-coded cryptographic key from the affected product.
Weaknesses CWE-321
References
Metrics cvssV3_0

{'score': 2.4, 'vector': 'CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2.4, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-25T13:34:46.656Z

Reserved: 2026-08-24T07:04:44.688Z

Link: CVE-2026-75553

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-25T07:16:54.170

Modified: 2026-09-25T14:17:18.930

Link: CVE-2026-75553

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T14:14:33Z

Weaknesses