Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2026-9427— Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow

Quick assessment

Affected

Edimax EW-7438RPn

Exploitation

Public or AI PoC available; prioritize validation

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版本存在安全漏洞，该漏洞源于webs组件对文件/goform/formWlSiteSurvey中函数formWlSiteSurvey的参数操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.80% · P56 Updated May 26, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Edimax	EW-7438RPn	`1.31`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-9427

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow

Source: CVE Program / CVE List V5

Vulnerability Description

A flaw has been found in Edimax EW-7438RPn 1.31. This impacts the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component webs. This manipulation of the argument selSSID/submit-url causes stack-based buffer overflow. The attack is possible to be carried out remotely. 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: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

栈缓冲区溢出

Source: CVE Program / CVE List V5

Vulnerability Title

Edimax EW-7438RPn 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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-2026-9427

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Verified env Premium

Qwen3.6-35B-A3B · 8640 chars

Pro+ exclusive includes:

Vulnerability reproduction recording (real sandbox build + trigger, exclusive)

In-depth vulnerability mechanism

Trigger conditions & impact

Full executable POC code

Exploit chain & mitigation

POC zip download

100+ AI POC generations per month

Upgrade to Pro+ to unlock Limited ¥499/month ¥599 Sign up first

III. Intelligence Information for CVE-2026-9427

请登录查看更多情报信息。

Other References for CVE-2026-9427 (1)

🔗 my_vuln/Edimax/vuln_11/11.md at main · wudipjq/my_vuln · GitHub Read full article exploit

https://www.cve.org/CVERecord?id=CVE-2026-9427

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-2026-9426	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-2026-9439	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-121

V. Comments for CVE-2026-9427

No comments yet

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-9427— Edimax EW-7438RPn webs formWlSiteSurvey stack-based overflow

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-9427

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-9427

III. Intelligence Information for CVE-2026-9427

Other References for CVE-2026-9427 (1)

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

IV. Related Vulnerabilities

V. Comments for CVE-2026-9427

Leave a comment