Findings

CVE-2026-21138

Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

Published Oct 12, 2026 · updated Oct 15, 2026

Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 12, 2026 · NIST NVD

    Detected

    Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

  3. Oct 15, 2026 · NIST NVD

    Updated

    Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

Sources

  • CVE.orgVulnerability recordCVE-2026-21138

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21138

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21138

    Insufficient verification of data authenticity in Smart Switch prior to version 3.7.73 allows physical attackers to install arbitrary applications.

    nvd.nist.gov

References

CVE-2026-21138 · ZeroDay Findings