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CVE-2026-9427— Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow

CVSS 8.8 · High

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-9427

Vulnerability Information
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Vulnerability Title
Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Edimax EW-7438RPn 1.31. This impacts the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component webs. This manipulation of the argument selSSID/submit-url causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
EdimaxEW-7438RPn 1.31 cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9427

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III. Intelligence Information for CVE-2026-9427

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Other References for CVE-2026-9427 (1)

Same Patch Batch · Edimax · 2026-05-25 · 18 CVEs total

CVE-2026-94258.8 HIGHEdimax EW-7438RPn formWlanMP stack-based overflow
CVE-2026-94808.8 HIGHEdimax EW-7438RPn formrefresh stack-based overflow
CVE-2026-94818.8 HIGHEdimax EW-7438RPn formStats stack-based overflow
CVE-2026-94798.8 HIGHEdimax EW-7438RPn formLogout stack-based overflow
CVE-2026-94628.8 HIGHEdimax EW-7438RPn formWpsProxyEnable stack-based overflow
CVE-2026-94638.8 HIGHEdimax EW-7438RPn formLicence stack-based overflow
CVE-2026-94598.8 HIGHEdimax EW-7438RPn formConnectionSetting stack-based overflow
CVE-2026-94618.8 HIGHEdimax EW-7438RPn formRadius stack-based overflow
CVE-2026-94608.8 HIGHEdimax EW-7438RPn formAccept stack-based overflow
CVE-2026-94438.8 HIGHEdimax BR-6478AC POST Request formL2TPSetup buffer overflow
CVE-2026-94428.8 HIGHEdimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow
CVE-2026-94268.8 HIGHEdimax EW-7438RPn formHwSet stack-based overflow
CVE-2026-94416.3 MEDIUMEdimax BR-6478AC POST Request formiNICbasic command injection
CVE-2026-94406.3 MEDIUMEdimax BR-6478AC POST Request formAccept command injection
CVE-2026-94396.3 MEDIUMEdimax BR-6675nD stainfo command injection
CVE-2026-94246.3 MEDIUMEdimax EW-7438RPn Content-Type formWlanMP os command injection
CVE-2026-94234.7 MEDIUMEdimax BR-6675nD POST Request mp command injection

IV. Related Vulnerabilities

Same product: EW-7438RPn
Same vendor: Edimax
Same weakness: CWE-121

V. Comments for CVE-2026-9427

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