Arbitrary File Write Vulnerability in BLU-IC2 and BLU-IC4 by Azure Access
CVE-2025-12422

10CRITICAL

Key Information:

Vendor

Azure Access Technology

Status
Blu-ic2
Blu-ic4
Vendor
CVE Published:
28 October 2025

What is CVE-2025-12422?

A flaw in the upgrade feature of the BLU-IC2 and BLU-IC4 products by Azure Access allows for an arbitrary file write, potentially enabling attackers to gain super user permissions. This vulnerability affects various versions of these products and poses a significant security risk, allowing unauthorized access and manipulation of system files.

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Deploy the Patch

Affected Version(s)

BLU-IC2 0 <= 1.19.5

BLU-IC4 0 <= 1.19.5

References

https://azure-access.com/security-advisories

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kevin Schaller
Benjamin Lafois
Alexi Bitsios
Sebastian Toscano
Dominik Schneider
JSON
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