CVE-2025-12476 Resource Lacking AuthN

What is CVE-2025-12476?

CVE-2025-12476 is a critical missing authorization vulnerability in Azure Access Technology BLU-IC2, published on 29 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Resource Lacking AuthN.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .

Weakness: CWE-306

Which versions are affected by CVE-2025-12476?

It affects 2 products.

Products include Azure-Access Blu-Ic2 Firmware, Azure-Access Blu-Ic4 Firmware.

How do I fix CVE-2025-12476?

No fix has been published for CVE-2025-12476 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-12476 being exploited?

There is no known exploitation of CVE-2025-12476 in the wild and no public exploit code.

Other vulnerabilities in Azure Access Technology BLU-IC2

• CVE-2025-12599 Multiple Devices are Sharing the Same Secrets for SDKSocket (TCP/5000) Critical 10.0
• CVE-2025-12600 Web UI Malfunction Critical 10.0
• CVE-2025-12601 Denial of Service Due to SlowLoris Critical 10.0
• CVE-2025-12553 Server Certificate Verification Disabled Critical 10.0
• CVE-2025-12515 Systemic Internal Server Errors - HTTP 500 Response Critical 10.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wf96-6xvx-6wrw.