CVE-2026-9459
published 2026-05-25CVE-2026-9459: A security flaw has been discovered in Edimax EW-7438RPn 1.31. This affects the function formConnectionSetting of the file /goform/formConnectionSetting…
PriorityP267high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.75%
50.3th percentile
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.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| edimax | ew-7438rpn | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.07.4HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.09.0CRITICALAV:N/AC:L/Au:S/C:C/I:C/A:C
cvelistv5v4.08.7HIGHCVSS: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
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GHSA
GHSA-hwrg-8cjq-3gj6: A security flaw has been discovered in Edimax EW-7438RPn 1
ghsa_unreviewed·2026-05-26
CVE-2026-9459 [HIGH] CWE-119 GHSA-hwrg-8cjq-3gj6: A security flaw has been discovered in Edimax EW-7438RPn 1
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.
CVEList
Edimax EW-7438RPn formConnectionSetting stack-based overflow
cvelistv5·2026-05-25·CVSS 8.7
CVE-2026-9459 [HIGH] CWE-121 Edimax EW-7438RPn formConnectionSetting stack-based overflow
Edimax EW-7438RPn formConnectionSetting stack-based overflow
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.
Timeline: 2026-05-24: Advisory disclosed; 2026-05-24: VulDB entry created; 2026-05-24: VulDB entry last update
VulDB
Edimax EW-7438RPn 1.31 formConnectionSetting max_Conn/timeOut stack-based overflow
vuldb·2026-05-24
CVE-2026-9459 [CRITICAL] Edimax EW-7438RPn 1.31 formConnectionSetting max_Conn/timeOut stack-based overflow
A vulnerability marked as critical has been reported 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.
This vulnerability is cataloged as CVE-2026-9459. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
The vendor was contacted early about this disclosure but did not respond in any way.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-25
Published