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CVE-2026-9439— Edimax BR-6675nD stainfo command injection

Quick assessment

Affected
Edimax BR-6675nD
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 BR-6675nD是中国讯舟（Edimax）公司的一款双频宽带无线路由器。 Edimax BR-6675nD 1.12版本存在命令注入漏洞，该漏洞源于/goform/stainfo文件中函数stainfo对参数interface的操作，可能导致命令注入。攻击者可远程发起攻击。

CVSS 6.3 · Medium EPSS 2.38% · P83

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Edimax BR-6675nD 1.12 affected
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I. Basic Information for CVE-2026-9439

Vulnerability Information
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Vulnerability Title
Edimax BR-6675nD stainfo command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Edimax BR-6675nD 1.12. Affected is the function stainfo of the file /goform/stainfo. This manipulation of the argument interface causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Edimax BR-6675nD 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Edimax BR-6675nD是中国讯舟（Edimax）公司的一款双频宽带无线路由器。 Edimax BR-6675nD 1.12版本存在命令注入漏洞，该漏洞源于/goform/stainfo文件中函数stainfo对参数interface的操作，可能导致命令注入。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

Vendor Product Affected Versions CPE Subscribe
Edimax BR-6675nD 1.12 cpe:2.3:a:edimax:br-6675nd:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9439

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III. Intelligence Information for CVE-2026-9439

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Other References for CVE-2026-9439 (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-2026-9443 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-2026-9425 8.8 HIGH Edimax EW-7438RPn formWlanMP stack-based overflow
CVE-2026-9424 6.3 MEDIUM Edimax EW-7438RPn Content-Type formWlanMP os command injection
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-2026-9423 4.7 MEDIUM Edimax BR-6675nD POST Request mp command injection

IV. Related Vulnerabilities

Same product: BR-6675nD
Same vendor: Edimax
Same weakness: CWE-77

V. Comments for CVE-2026-9439

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