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CVE-2026-9775— ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability

Quick assessment

Affected
ATEN Unizon
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ATEN Unizon是中国ATEN公司的一款应用服务器软件。 ATEN Unizon 2.7.262.002版本存在路径遍历漏洞，该漏洞源于uploadSSL方法中未正确验证用户提供的路径，可能导致远程攻击者在需要认证的情况下删除任意文件或造成拒绝服务条件。

AI Predicted 7.5 Difficulty: Easy EPSS 1.51% · P74

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
ATEN Unizon 2.7.262.002 affected
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I. Basic Information for CVE-2026-9775

Vulnerability Information
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Vulnerability Title
ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
ATEN Unizon uploadSSL Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability. The specific flaw exists within the uploadSSL method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28503.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
ATEN Unizon 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ATEN Unizon是中国ATEN公司的一款应用服务器软件。 ATEN Unizon 2.7.262.002版本存在路径遍历漏洞，该漏洞源于uploadSSL方法中未正确验证用户提供的路径，可能导致远程攻击者在需要认证的情况下删除任意文件或造成拒绝服务条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ATEN Unizon 2.7.262.002 -

II. Public POCs for CVE-2026-9775

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III. Intelligence Information for CVE-2026-9775

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Vendor Advisories for CVE-2026-9775 (1)

Same Patch Batch · ATEN · 2026-06-24 · 6 CVEs total

CVE-2026-9777 ATEN Unizon restoreDB Directory Traversal Remote Code Execution Vulnerability
CVE-2026-9776 ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vuln
CVE-2026-9774 ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability
CVE-2026-9779 ATEN Unizon doCryptoHugeFileToFile Improper Verification of Cryptographic Signature Remote
CVE-2026-9778 ATEN Unizon ImportDeviceList Directory Traversal Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: Unizon
Same vendor: ATEN
Same weakness: CWE-22

V. Comments for CVE-2026-9775

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