CVE-2026-75553 PUBLISHED

Assigner: jpcert
Reserved: 24.08.2026 Published: 25.09.2026 Updated: 25.09.2026

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.

CVSS Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 2.4

Attack Vector	Physical	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS 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
CVSS Score: 2.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Tohoku Electric Power Company, Incorporated
Product	Tohoku Electric Power "Yorisou e Net" Android App
Versions	Default: unaffected affected from 0 to 2.8.0 (excl.)

Vendor	Tohoku Electric Power Company, Incorporated
Product	Tohoku Electric Power "Yorisou e Net" iOS App
Versions	Default: unaffected affected from 0 to 2.8.0 (excl.)

CVE-2026-75553 PUBLISHED

Metrics

Product Status

References

Problem Types