CVE-2025-12001 Incorrect Content-Type Header

What is CVE-2025-12001?

CVE-2025-12001 is a critical cross-site scripting vulnerability in Azure Access Technology BLU-IC2, published on 20 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Lack of application manifest sanitation could lead to potential stored XSS.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Weakness: CWE-79, CWE-20

Which versions are affected by CVE-2025-12001?

It affects 2 products.

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

How do I fix CVE-2025-12001?

No fix has been published for CVE-2025-12001 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-12001 being exploited?

There is no known exploitation of CVE-2025-12001 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-9p37-p7vc-233f.