A security vulnerability has been detected in Edimax EW-7438RPn up to 1.31. The impacted element is an unknown function of the file /goform/formWpsStart of the component webs. Such manipulation of the argument pinCode/wlan-url leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00041.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Edimax EW-7438RPn affected
Version Status Constraints
1.0 affected —
1.1 affected —
1.2 affected —
1.3 affected —
1.4 affected —
1.5 affected —
1.6 affected —
1.7 affected —
1.8 affected —
1.9 affected —
1.10 affected —
1.11 affected —
1.12 affected —
1.13 affected —
1.14 affected —
1.15 affected —
1.16 affected —
1.17 affected —
1.18 affected —
1.19 affected —
1.20 affected —
1.21 affected —
1.22 affected —
1.23 affected —
1.24 affected —
1.25 affected —
1.26 affected —
1.27 affected —
1.28 affected —
1.29 affected —
1.30 affected —
1.31 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Edimax Subscribe
Ew-7438rpn Subscribe

Project Subscriptions

Vendors Products
Edimax Subscribe
Ew-7438rpn Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_2/2.md cve-icon cve-icon
https://vuldb.com/submit/813885 cve-icon cve-icon
https://vuldb.com/vuln/365307 cve-icon cve-icon
https://vuldb.com/vuln/365307/cti cve-icon cve-icon
History

Tue, 26 May 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sun, 24 May 2026 00:30:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been detected in Edimax EW-7438RPn up to 1.31. The impacted element is an unknown function of the file /goform/formWpsStart of the component webs. Such manipulation of the argument pinCode/wlan-url leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Title Edimax EW-7438RPn webs formWpsStart stack-based overflow
First Time appeared Edimax
Edimax ew-7438rpn
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*
Vendors & Products Edimax
Edimax ew-7438rpn
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-26T17:52:27.485Z

Reserved: 2026-05-23T08:32:21.210Z

Link: CVE-2026-9344

cve-icon Vulnrichment

Updated: 2026-05-26T17:52:23.005Z

cve-icon NVD

Status : Deferred

Published: 2026-05-24T01:16:26.717

Modified: 2026-05-26T19:37:00.120

Link: CVE-2026-9344

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-24T02:00:13Z

Weaknesses