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PatchSiren cyber security CVE debrief

CVE-2026-75553 Tohoku Electric Power Company, Incorporated CVE debrief

CVE-2026-75553 is a vulnerability in the Tohoku Electric Power 'Yorisou e Net' smartphone application, which uses a hard-coded cryptographic key. This may allow an attacker to retrieve the hard-coded key from the affected product. The CVSS score is 2.4, indicating a low severity. The CVE was published on 2026-09-25T07:16:54.170Z and has not been modified since then.

Vendor
Tohoku Electric Power Company, Incorporated
Product
Tohoku Electric Power "Yorisou e Net" Android App
CVSS
LOW 2.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-25
Original CVE updated
2026-09-25
Advisory published
2026-09-25
Advisory updated
2026-09-25

Who should care

Defenders responsible for managing the 'Yorisou e Net' application in their organization's inventory should assess the potential impact of this vulnerability and prioritize verification and potential remediation.

Why it matters

CVE-2026-75553 is a low-severity vulnerability in the Tohoku Electric Power 'Yorisou e Net' smartphone application. Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact on their organization.

  • Verify the presence of the hard-coded cryptographic key in the application
  • Assess the potential impact on encrypted data
  • Consider updating or patching the application if a fix is available

Technical summary

The Tohoku Electric Power 'Yorisou e Net' smartphone application uses a hard-coded cryptographic key. This may allow an attacker to retrieve the key from the affected product. The CVSS score is 2.4, indicating a low severity. Affected product deployments should be confirmed in managed environments, and owners should assess potential impacts and prioritize verification and remediation. The CVE was published on 2026-09-25T07:16:54.170Z. Official CVE Program and NVD detail pages provide additional information.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact on their organization.

Recommended defensive actions

  • Verify the presence of the 'Yorisou e Net' application in your organization's inventory
  • Assess the potential impact of the hard-coded cryptographic key on your organization
  • Consider updating or patching the application if a fix is available

Evidence notes

The CVE record and NVD detail page provide information about the vulnerability, but the scope of affected versions and potential impact require further verification.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75553 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75553

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-75553 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75553

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.