CVE-2026-9345

Edimax EW-7438RPn webs formWizSurvey buffer overflow

State: Published
Severity: 8.7 High
Published: May 24, 2026
Updated: May 26, 2026
Reserved: May 23, 2026

Description

A vulnerability was detected in Edimax EW-7438RPn up to 1.31. This affects the function formWizSurvey of the file /goform/formWizSurvey of the component webs. Performing a manipulation of the argument ssid/manualssid/ip/mask/gateway results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	VulDB
3.1	8.8 High	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	VulDB
3.0	8.8 High	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	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
EW-7438RPnEdimax	1.0Affected 1.1Affected 1.2Affected 1.3Affected 1.4Affected 1.5Affected 1.6Affected 1.7Affected 1.8Affected 1.9Affected 1.10Affected 1.11Affected 1.12Affected 1.13Affected 1.14Affected 1.15Affected 1.16Affected 1.17Affected 1.18Affected 1.19Affected 1.20Affected 1.21Affected 1.22Affected 1.23Affected 1.24Affected and 7 more versions

References

VDB-365308 | Edimax EW-7438RPn webs formWizSurvey buffer overflowvdb-entrytechnical-description
VDB-365308 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #813886 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflowthird-party-advisory
Submit #811542 | EDIMAX EW-7438RPn Mini EW-7438RPn Mini Firmware 1.28a (Version : 1.28a) Buffer Overflow (Duplicate)third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_3/3.mdexploit

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