Use of Hard-coded Cryptographic Key in Johnson Controls EasyIO FS32
CVE-2026-71449

9.3CRITICAL

Key Information:

Vendor

Johnson Controls

Status
Easyio Fs32
Vendor
CVE Published:
1 October 2026

What is CVE-2026-71449?

A vulnerability exists in the Johnson Controls EasyIO FS32, allowing unauthorized access to embedded sensitive data due to the use of a hard-coded cryptographic key. This issue affects versions prior to 3.0b63, posing significant security risks for users and their data.

Affected Version(s)

EasyIO FS32 0 < 3.0b63

References

https://www.johnsoncontrols.com/trust-center/cybersecurit...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gabriele Gardois, Zachary Bushell and Lorenzo De Carli
.