CVE-2026-19959

criticalCVSS 9.9covered by 1 sourcefirst seen 2026-08-16

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.

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Exploitation outlook

Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 39% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-19959: A weakness has been identified in Edimax EW-7478APC 1.04. This affects the function formWanTcp…nvd · 2026-08-16

External references

NVD record for CVE-2026-19959

CVE.org record

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