High severity · published May 24, 2026
CVE-2026-9346
Edimax EW-7438RPn webs formWirelessTbl buffer overflow
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
A flaw has been found in Edimax EW-7438RPn up to 1.31. This impacts the function formWirelessTbl of the file /goform/formWirelessTbl of the component webs. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EW
EW-7438RPn · Edimax
1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +26 more · source: vendor
Affected product
EW
EW-7438RPn
Edimax
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