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Description

A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched 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.

PUBLISHED Reserved 2026-05-23 | Published 2026-05-24 | Updated 2026-05-27 | 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

1.28a
affected

Timeline

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

Credits

yhryhryhr_miemie (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365323 (VDB-365323 | Edimax EW-7438RPn POST Request formwlencrypt24g buffer overflow) vdb-entry technical-description

vuldb.com/vuln/365323/cti (VDB-365323 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/811544 (Submit #811544 | EDIMAX EW-7438RPn Mini EW-7438RPn Mini Firmware 1.28a (Version : 1.28a) Buffer Overflow) third-party-advisory

lavender-bicycle-a5a.notion.site/...351750b?source=copy_link exploit

cve.org (CVE-2026-9360)

nvd.nist.gov (CVE-2026-9360)

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