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CVE-2026-9482— Edimax EW-7438RPn formSDHCP stack-based overflow

CVSS 8.8 · High EPSS 0.04% · P13

Possible ATT&CK Techniques 1AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 1

VendorProductVersion RangeStatus
EdimaxEW-7438RPn1.31affected
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I. Basic Information for CVE-2026-9482

Vulnerability Information
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Vulnerability Title
Edimax EW-7438RPn formSDHCP stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in Edimax EW-7438RPn 1.31. This impacts the function formSDHCP of the file /goform/formSDHCP. Such manipulation of the argument submit-url leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public 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)
Vulnerability Title
Edimax EW-7438RPn 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Edimax EW-7438RPn是中国台湾讯舟（Edimax）公司的一款无线信号扩展器。 Edimax EW-7438RPn 1.31版本存在安全漏洞，该漏洞源于文件/goform/formSDHCP中函数formSDHCP对参数submit-url的操作，可能导致栈缓冲区溢出。攻击者可远程发起攻击。
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

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

II. Public POCs for CVE-2026-9482

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8174 chars
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III. Intelligence Information for CVE-2026-9482

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Security Blog Posts for CVE-2026-9482 (1)

Same Patch Batch · Edimax · 2026-05-25 · 19 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-2026-94278.8 HIGHEdimax EW-7438RPn webs formWlSiteSurvey stack-based 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-2026-9482

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