Medium severity5.7NVD Advisory· Published Jul 30, 2026· Updated Sep 8, 2026

CVE-2026-5846

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Watchfire/Controller Softwarellm-fuzzy

Patches

Vulnerability mechanics

References

github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-09.jsonnvd
www.cisa.gov/news-events/ics-advisories/icsa-26-211-09nvd

News mentions

Watchfire Controller Software
CISA ICS Advisories

cvss	0.371
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000