CVE-2026-19959
Buffer overflow
- Published16 Aug 2026
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HRemediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
References
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2026-19959 being actively exploited?
CVE-2026-19959 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.80%.
How severe is CVE-2026-19959?
CVE-2026-19959 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 0.80% probability of exploitation.
How do I fix CVE-2026-19959?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2026-19959 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.