SB2026092125 - Use of hard-coded cryptographic key in Tohoku Electric Power Yoriso e-net app



SB2026092125 - Use of hard-coded cryptographic key in Tohoku Electric Power Yoriso e-net app

Published: September 21, 2026

Security Bulletin ID SB2026092125
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of hard-coded cryptographic key (CVE-ID: CVE-2026-75553)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

CVSSv4: 2.4 [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]


The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to use of hard-coded cryptographic key. An attacker with physical access can retrieve a hard-coded cryptographic key from the affected product.


Remediation

Install update from vendor's website.