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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.

PUBLISHED Reserved 2026-05-23 | Published 2026-05-24 | Updated 2026-05-24 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

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

Timeline

2026-05-23:Advisory disclosed
2026-05-23:VulDB entry created
2026-05-23:VulDB entry last update

Credits

Bond (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365308 (VDB-365308 | Edimax EW-7438RPn webs formWizSurvey buffer overflow) vdb-entry technical-description

vuldb.com/vuln/365308/cti (VDB-365308 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/813886 (Submit #813886 | Edimax EW-7438RPn 1.31 Stack-based Buffer Overflow) third-party-advisory

vuldb.com/submit/811542 (Submit #811542 | EDIMAX EW-7438RPn Mini EW-7438RPn Mini Firmware 1.28a (Version : 1.28a) Buffer Overflow (Duplicate)) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_3/3.md exploit

cve.org (CVE-2026-9345)

nvd.nist.gov (CVE-2026-9345)

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