CVE-2026-19961

CRITICAL CVSS 4.0: 8.6 EPSS 0.48%
Updated Aug 20, 2026
Edimax
Parameter Value
CVSS 8.6 (CRITICAL)
Type CWE-119 (Buffer Overflow), CWE-120 (Buffer Copy without Checking Size)
Vendor Edimax
Public PoC No

A vulnerability was detected in Edimax EW-7478APC 1.04. Affected is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey. Performing a manipulation of the argument selSSID 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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

edimax:ew-7478apc