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.

Metrics

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.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Tohoku Electric Power Company
  • Yorisou E Net App

No data.

No data.

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

Sat, 26 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2026-09-25T06:25:15.249Z

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

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

Link: CVE-2026-75553

cve-icon Vulnrichment

Updated: 2026-09-25T13:33:54.919Z

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-09-29T21:39:02.570

Link: CVE-2026-75553

cve-icon Redhat

No data.