CVE-2026-9779 PUBLISHED

ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability

Assigner: zdi
Reserved: 27.05.2026 Published: 24.06.2026 Updated: 25.06.2026

ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.

The specific flaw exists within the updateWar method. The issue results from an incorrect implementation of cryptographic signature verification. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28590.

Metrics

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.2

Product Status

Vendor ATEN
Product Unizon
Versions Default: unknown
  • Version 2.6.253.001 is affected

References

Problem Types

  • CWE-347: Improper Verification of Cryptographic Signature CWE