What’s Vulnerable › Vulnerabilities

CVE-2026-75553

• Severity: low (CVSS 2.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-29
• Weakness: CWE-321

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.

Affected products

• Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" Android App: before 2.8.0 — fixed in 2.8.0
• Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" iOS App: before 2.8.0 — fixed in 2.8.0

How to fix

Upgrade to a fixed version: Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" Android App 2.8.0; Tohoku Electric Power Company, Incorporated Tohoku Electric Power "Yorisou e Net" iOS App 2.8.0. Check the vendor advisory for mitigations.

References

• 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
• https://jvn.jp/en/jp/JVN93985674/
• https://play.google.com/store/apps/details?id=jp.co.tohokuepco.enet&hl=ja

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