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CVE-2026-8359— Gladinet Triofox WOSHttpStatusModule.dll NULL Function Pointer Call DoS

Quick assessment

Affected
Gladinet Triofox
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.

Gladinet Triofox是美国Gladinet公司的一个企业文件共享与远程访问平台。 Gladinet Triofox存在安全漏洞，该漏洞源于处理以/status或/sysinfo开头的URL路径时，WOSHttpStatusModule.dll缺失导致函数指针为空，可能导致调用地址0处的函数。

CVSS 7.5 · High EPSS 0.27% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Gladinet Triofox < 17.3.10565.57509 affected
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I. Basic Information for CVE-2026-8359

Vulnerability Information
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Vulnerability Title
Gladinet Triofox WOSHttpStatusModule.dll NULL Function Pointer Call DoS
Source: CVE Program / CVE List V5
Vulnerability Description
When processing a request with a URL path starting with /status or /sysinfo, WOSHttpStatusModule.dll is to be loaded to handle such URL patterns. The WOSBin_LoadHttpModule function in the dll would be called to set up a "module" object for that module. However, WOSHttpStatusModule.dll is not present in the installation. As a result, a function pointer to WOSBin_LoadHttpModule (which would have been in the export table in WOSHttpStatusModule.dll) is set to NULL, resulting in calling a function at address 0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Gladinet Triofox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gladinet Triofox是美国Gladinet公司的一个企业文件共享与远程访问平台。 Gladinet Triofox存在安全漏洞，该漏洞源于处理以/status或/sysinfo开头的URL路径时，WOSHttpStatusModule.dll缺失导致函数指针为空，可能导致调用地址0处的函数。
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
Gladinet Triofox 0 ~ 17.3.10565.57509 -

II. Public POCs for CVE-2026-8359

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III. Intelligence Information for CVE-2026-8359

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Vendor Advisories for CVE-2026-8359 (1)

Same Patch Batch · Gladinet · 2026-05-27 · 6 CVEs total

CVE-2026-8362 9.8 CRITICAL Gladinet Triofox Stack-based Buffer Overflow in WOSDefaultHttpModule.dll
CVE-2026-8363 9.8 CRITICAL Gladinet Triofox Stack-based Buffer Overflow in WOSDeviceDropFolder.dll
CVE-2026-8364 9.8 CRITICAL Gladinet Triofox Missing Authentication for Critical Functions
CVE-2026-8361 7.5 HIGH Gladinet Triofox Path Traversal in WOSDefaultHttpModule.dll
CVE-2026-8360 7.5 HIGH Gladinet Triofox Unchecked Return Value to NULL Pointer Dereference DOS

IV. Related Vulnerabilities

Same product: Triofox
Same vendor: Gladinet
Same weakness: CWE-476

V. Comments for CVE-2026-8359

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