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Description

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.

PUBLISHED Reserved 2026-05-27 | Published 2026-06-24 | Updated 2026-06-25 | Assigner zdi




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

Problem types

CWE-347: Improper Verification of Cryptographic Signature

Product status

Default status
unknown

2.6.253.001
affected

References

www.zerodayinitiative.com/advisories/ZDI-26-383/ (ZDI-26-383)

www.aten.com/.../en/supportcenter/info/security-advisory/32/ (vendor-provided URL) vendor-advisory

cve.org (CVE-2026-9779)

nvd.nist.gov (CVE-2026-9779)

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