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TI-2026-52889 Aliases CVE-2026-75553GHSA-2q7r-p8fq-p422

Smartphone application Tohoku Electric Power "Yorisou e Net" uses a hard-coded…

Priority LOW 11CWE-321Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Fixed Tohoku Electric Power "Yorisou e Net" Android App (Tohoku Electric Power Company, Incorporated): 2.8.0Tohoku Electric Power "Yorisou e Net" iOS App (Tohoku Electric Power Company, Incorporated): 2.8.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Tohoku Electric Power Company, IncorporatedTohoku Electric Power "Yorisou e Net" Android Appbefore 2.8.02.8.0Patch availableCNA
Tohoku Electric Power Company, IncorporatedTohoku Electric Power "Yorisou e Net" iOS Appbefore 2.8.02.8.0Patch availableCNA

Remediation

  • Fix · CNA Tohoku Electric Power "Yorisou e Net" Android App (Tohoku Electric Power Company, Incorporated) Fixed in 2.8.0
  • Fix · CNA Tohoku Electric Power "Yorisou e Net" iOS App (Tohoku Electric Power Company, Incorporated) Fixed in 2.8.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75553
  2. 2026-10-03 Alias added: GHSA-2q7r-p8fq-p422

References

Sources