CVE-2025-43873
High
Description
Successful exploitation of these vulnerabilities could allow an attacker to modify firmware and gain full access to the device.
SeverityHigh
CVSS8.7
Exploit probability—
ProductiSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Johnson Control iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 | v ≤ 6.9.3 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.