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CVE-2026-9346— Edimax EW-7438RPn webs formWirelessTbl buffer overflow

CVSS 8.8 · High EPSS 0.04% · P14

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 32

VendorProductVersion RangeStatus
EdimaxEW-7438RPn1.0affected
1.1affected
1.2affected
1.3affected
1.4affected
1.5affected
1.6affected
1.7affected
… +24 more rows
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I. Basic Information for CVE-2026-9346

Vulnerability Information
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Vulnerability Title
Edimax EW-7438RPn webs formWirelessTbl buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Edimax EW-7438RPn up to 1.31. This impacts the function formWirelessTbl of the file /goform/formWirelessTbl of the component webs. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. 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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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及之前版本存在安全漏洞，该漏洞源于webs组件文件/goform/formWirelessTbl中函数formWirelessTbl对参数submit-url的操作，可能导致缓冲区溢出。
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 1.0 cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9346

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7215 chars
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III. Intelligence Information for CVE-2026-9346

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Proof of Concept for CVE-2026-9346 (1)

Same Patch Batch · Edimax · 2026-05-24 · 20 CVEs total

CVE-2026-93458.8 HIGHEdimax EW-7438RPn webs formWizSurvey buffer overflow
CVE-2026-93448.8 HIGHEdimax EW-7438RPn webs formWpsStart stack-based overflow
CVE-2026-93488.8 HIGHEdimax EW-7438RPn webs mp stack-based overflow
CVE-2026-94038.8 HIGHEdimax BR-6675nD POST Request formWlSiteSurvey buffer overflow
CVE-2026-94018.8 HIGHEdimax BR-6675nD POST Request formWanTcpipSetup buffer overflow
CVE-2026-93608.8 HIGHEdimax EW-7438RPn POST Request formwlencrypt24g buffer overflow
CVE-2026-93998.8 HIGHEdimax BR-6675nD POST Request formsetPPPoE buffer overflow
CVE-2026-93828.8 HIGHEdimax BR-6675nD POST Request formPPTPSetup buffer overflow
CVE-2026-93808.8 HIGHEdimax BR-6675nD POST Request formL2TPSetup buffer overflow
CVE-2026-93818.8 HIGHEdimax BR-6675nD POST Request formPPPoESetup buffer overflow
CVE-2026-94006.3 MEDIUMEdimax BR-6675nD POST Request formUSBStorage command injection
CVE-2026-94026.3 MEDIUMEdimax BR-6675nD POST Request formWlanMP command injection
CVE-2026-93796.3 MEDIUMEdimax BR-6675nD POST Request formWpsStart command injection
CVE-2026-93786.3 MEDIUMEdimax BR-6675nD POST Request formHwSet command injection
CVE-2026-93616.3 MEDIUMEdimax EW-7438RPn POST Request formAccep formAccept command injection
CVE-2026-93636.3 MEDIUMEdimax EW-7438RPn POST Request formEZCHNwlanSetu formEZCHNwlanSetup command injection
CVE-2026-93626.3 MEDIUMEdimax EW-7438RPn Setting formConnectionSetting command injection
CVE-2026-93596.3 MEDIUMEdimax EW-7438RPn POST Request formHwSet command injection
CVE-2026-93476.3 MEDIUMEdimax EW-7438RPn webs formWizSurvey os command injection

IV. Related Vulnerabilities

Same product: EW-7438RPn
Same vendor: Edimax
Same weakness: CWE-120

V. Comments for CVE-2026-9346

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