Johnson Controls’ iSTAR Ultra family of door controllers contains a cluster of high‑impact vulnerabilities that — if left unpatched — can give remote attackers a path to root access, firmware modification, and local console takeover, creating a direct route from network compromise to physical...
cisa advisories
default credentials
door controllers
end of service
firmware 6.9.3
firmware verification
ics security
istar ultra
johnson controls
network segmentation
os command injection
ot security
patch management
physical security
rj11console
signing key
supply chain risk
usb console
