CVE-2025-12422 Vulnerable Upgrade Feature (Arbitrary File Write)

What is CVE-2025-12422?

CVE-2025-12422 is a critical path traversal vulnerability in Azure Access Technology BLU-IC2, published on 28 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerable Upgrade Feature (Arbitrary File Write) may lead to obtaining super user permissions on board.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Weakness: CWE-22

Which versions are affected by CVE-2025-12422?

It affects 2 products.

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

How do I fix CVE-2025-12422?

No fix has been published for CVE-2025-12422 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-12422 being exploited?

There is no known exploitation of CVE-2025-12422 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-r668-gv5f-w9pf.