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CVE-2026-9459

Published: May 25, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A security flaw has been discovered in Edimax EW-7438RPn 1.31. This affects the function formConnectionSetting of the file /goform/formConnectionSetting. Performing a manipulation of the argument max_Conn/timeOut results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Vendor	Product	Versions
Edimax	EW-7438RPn	affected `1.31`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-365440 | Edimax EW-7438RPn formConnectionSetting stack-based overflow

vdb-entry

technical-description

VDB-365440 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #813896 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflow

third-party-advisory

https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_12/12.md

exploit

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