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CVE-2026-9343— Edimax EW-7438RPn webs formWpsStart 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及之前版本存在操作系统命令注入漏洞，该漏洞源于webs组件文件/goform/formWpsStart中函数formWpsStart对参数pinCode的操作，可能导致OS命令注入。

CVSS 6.3 · Medium EPSS 3.12% · P87

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 32

VendorProduct Version RangeStatus
Edimax EW-7438RPn 1.0 affected
1.1 affected
1.2 affected
1.3 affected
1.4 affected
1.5 affected
1.6 affected
1.7 affected
… +24 more rows
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I. Basic Information for CVE-2026-9343

Vulnerability Information
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Vulnerability Title
Edimax EW-7438RPn webs formWpsStart os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Edimax EW-7438RPn up to 1.31. The affected element is the function formWpsStart of the file /goform/formWpsStart of the component webs. This manipulation of the argument pinCode causes os command injection. Remote exploitation of the attack is possible. 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及之前版本存在操作系统命令注入漏洞，该漏洞源于webs组件文件/goform/formWpsStart中函数formWpsStart对参数pinCode的操作，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 1.0 cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9343

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III. Intelligence Information for CVE-2026-9343

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Security Blog Posts for CVE-2026-9343 (1)

Same Patch Batch · Edimax · 2026-05-23 · 5 CVEs total

CVE-2026-9295 8.8 HIGH Edimax BR-6428NS POST Request formWirelessTbl buffer overflow
CVE-2026-9294 8.8 HIGH Edimax BR-6428NS POST Request formWanTcpipSetup buffer overflow
CVE-2026-9297 6.3 MEDIUM Edimax BR-6428NS POST Request formWlbasic command injection
CVE-2026-9296 6.3 MEDIUM Edimax BR-6428NS POST Request formWlanM system command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-9343

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