CVE-2025-12216 Malicious / Malformed App can be Installed but not Uninstalled
Attackers can install malicious applications that cannot be removed, causing permanent unavailability of the industrial controller.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12216?
CVE-2025-12216 is a critical denial of service vulnerability in Azure Access Technology BLU-IC2, published on 25 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Malicious / Malformed App can be Installed but not Uninstalled/may lead to unavailability.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
Weakness: CWE-1301
Which versions are affected by CVE-2025-12216?
It affects 2 products.
Products include Azure-Access Blu-Ic2 Firmware, Azure-Access Blu-Ic4 Firmware.
How do I fix CVE-2025-12216?
No fix has been published for CVE-2025-12216 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-12216 being exploited?
There is no known exploitation of CVE-2025-12216 in the wild and no public exploit code.
Other vulnerabilities in Azure Access Technology BLU-IC2
Sources
Also known as GHSA-6v8w-33wg-8gw2.