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CVE-2026-9424— Edimax EW-7438RPn Content-Type formWlanMP os command injection

Quick assessment

Affected
Edimax EW-7438RPn
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.

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版本存在操作系统命令注入漏洞，该漏洞源于Content-Type Handler组件对文件/goform/formWlanMP中函数formWlanMP的参数操作，可能导致os命令注入。

CVSS 6.3 · Medium EPSS 2.38% · P83

Affected Version Matrix 1

VendorProduct Version RangeStatus
Edimax EW-7438RPn 1.31 affected
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I. Basic Information for CVE-2026-9424

Vulnerability Information
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Vulnerability Title
Edimax EW-7438RPn Content-Type formWlanMP os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Edimax EW-7438RPn 1.31. The affected element is the function formWlanMP of the file /goform/formWlanMP of the component Content-Type Handler. Executing a manipulation of the argument ateFunc/ateGain/ateTxCount/ateChan/ateRate/ateMacID/e2pTxPower1/e2pTxPower2/e2pTxPower3/e2pTxPower4/e2pTxPower5/e2pTxPower6/e2pTxPower7/e2pTx2Power1/e2pTx2Power2/e2pTx2Power3/e2pTx2Power4/e2pTx2Power5/e2pTx2Power6/e2pTx2Power7/ateTxFreqOffset/ateMode/ateBW/ateAntenna/e2pTxFreqOffset/e2pTxPwDeltaB/e2pTxPwDeltaG/e2pTxPwDeltaMix/e2pTxPwDeltaN/readE2P can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Edimax EW-7438RPn 操作系统命令注入漏洞
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版本存在操作系统命令注入漏洞，该漏洞源于Content-Type Handler组件对文件/goform/formWlanMP中函数formWlanMP的参数操作，可能导致os命令注入。
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
Edimax EW-7438RPn 1.31 cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9424

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III. Intelligence Information for CVE-2026-9424

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Other References for CVE-2026-9424 (1)

Same Patch Batch · Edimax · 2026-05-25 · 19 CVEs total

CVE-2026-9460 8.8 HIGH Edimax EW-7438RPn formAccept stack-based overflow
CVE-2026-9482 8.8 HIGH Edimax EW-7438RPn formSDHCP stack-based overflow
CVE-2026-9480 8.8 HIGH Edimax EW-7438RPn formrefresh stack-based overflow
CVE-2026-9481 8.8 HIGH Edimax EW-7438RPn formStats stack-based overflow
CVE-2026-9479 8.8 HIGH Edimax EW-7438RPn formLogout stack-based overflow
CVE-2026-9462 8.8 HIGH Edimax EW-7438RPn formWpsProxyEnable stack-based overflow
CVE-2026-9463 8.8 HIGH Edimax EW-7438RPn formLicence stack-based overflow
CVE-2026-9459 8.8 HIGH Edimax EW-7438RPn formConnectionSetting stack-based overflow
CVE-2026-9461 8.8 HIGH Edimax EW-7438RPn formRadius stack-based overflow
CVE-2026-9425 8.8 HIGH Edimax EW-7438RPn formWlanMP stack-based overflow
CVE-2026-9443 8.8 HIGH Edimax BR-6478AC POST Request formL2TPSetup buffer overflow
CVE-2026-9442 8.8 HIGH Edimax BR-6478AC POST Request formiNICSiteSurvey buffer overflow
CVE-2026-9427 8.8 HIGH Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow
CVE-2026-9426 8.8 HIGH Edimax EW-7438RPn formHwSet stack-based overflow
CVE-2026-9441 6.3 MEDIUM Edimax BR-6478AC POST Request formiNICbasic command injection
CVE-2026-9440 6.3 MEDIUM Edimax BR-6478AC POST Request formAccept command injection
CVE-2026-9439 6.3 MEDIUM Edimax BR-6675nD stainfo command injection
CVE-2026-9423 4.7 MEDIUM Edimax BR-6675nD POST Request mp command injection

IV. Related Vulnerabilities

Same product: EW-7438RPn
Same vendor: Edimax
Same weakness: CWE-78

V. Comments for CVE-2026-9424

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