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Vulnerabilities CVE-2026-19959

CVE-2026-19959

Critical
Open
TLP:CLEAR

Edimax EW-7478APC formWanTcpipSetup stack-based overflow

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Description

A weakness has been identified in Edimax EW-7478APC 1.04. This affects the function formWanTcpipSetup of the file /goform/formWanTcpipSetup. This manipulation of the argument pppUserName causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Details

CVSS Score
9.4
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Confidence
90%
Published
Aug 16, 2026
Last Modified
Aug 16, 2026
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