CVE-2026-19959: critical vulnerability in Edimax EW-7478APC
Edimax EW-7478APC formWanTcpipSetup stack-based overflow
Published · Updated
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48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.4epss 0.8%
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.
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
Affected products
Edimax · EW-7478APCpublic PoCs found — 1
cve_referencelavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formWanTcpipSetup-34b53a41781f8047b36bd11dbcaa84dc?source=copy_linkunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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