CVE-2026-9426
published 2026-05-25CVE-2026-9426: A vulnerability was detected in Edimax EW-7438RPn 1.31. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument…
PriorityP267high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.45%
35.6th percentile
A vulnerability was detected in Edimax EW-7438RPn 1.31. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow. The attack can be executed 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.
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-gw85-4wrc-rp3f: A vulnerability was detected in Edimax EW-7438RPn 1
ghsa_unreviewed·2026-05-26
CVE-2026-9426 [HIGH] CWE-119 GHSA-gw85-4wrc-rp3f: A vulnerability was detected in Edimax EW-7438RPn 1
A vulnerability was detected in Edimax EW-7438RPn 1.31. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow. The attack can be executed 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.
CVEList
Edimax EW-7438RPn formHwSet stack-based overflow
cvelistv5·2026-05-25·CVSS 8.7
CVE-2026-9426 [HIGH] CWE-121 Edimax EW-7438RPn formHwSet stack-based overflow
Edimax EW-7438RPn formHwSet stack-based overflow
A vulnerability was detected in Edimax EW-7438RPn 1.31. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow. The attack can be executed 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.
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 /goform/formHwSet stack-based overflow
vuldb·2026-05-24
CVE-2026-9426 [CRITICAL] Edimax EW-7438RPn 1.31 /goform/formHwSet stack-based overflow
A vulnerability was found in Edimax EW-7438RPn 1.31. It has been declared as critical. This affects the function formHwSet of the file /goform/formHwSet. The manipulation of the argument Anntena/Mcs/regDomain/nic0Addr/nic1Addr/wlanAddr/wanAddr/wlanSSID/wlanChan/initgain/txcck/txofdm/submit-url results in stack-based buffer overflow.
This vulnerability is identified as CVE-2026-9426. The attack can be executed remotely. Additionally, an exploit exists.
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