CVE-2026-5846

Hard-coded Cryptographic Key in Watchfire Controllers

CVSS 7.6 high · Watchfire BC550 · published 2026-07-30

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.

NVD · CVE.org

Coverage 1 source

1. 2026-07-30 CISA Cybersecurity Advisories high Watchfire Controller Software

   Watchfire Controller Software has a vulnerability allowing malicious firmware delivery and full controller control.

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