CVE-2026-5846

The affected Watchfire Controller Software contains self-signed hard-coded RSA private keys and corresponding X.509 certificates used for authenticating and encrypting HTTPS/TLS connections to the controller's built-in web management interface. These keys are embedded in plaintext within the application patch binaries in the firmware directly from Watchfire's Remote Support filestore.

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-09.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-09

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-30 22:16

Updated : 2026-09-08 19:30

NVD link : CVE-2026-5846

Mitre link : CVE-2026-5846

CVE.ORG link : CVE-2026-5846

JSON object : View

Products Affected

No product.

CWE

CWE-321

Use of Hard-coded Cryptographic Key

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