SEPTEMBER 17, 2026
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Case File

CVE-2026-19959

CRITICAL · CVSS 9.9 EPSS 0.48% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-16 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

A critical stack-based buffer overflow vulnerability exists in the Edimax EW-7478APC 1.04, specifically within the formWanTcpipSetup function, which can be exploited remotely through manipulation of the pppUserName argument. This flaw could allow attackers to execute arbitrary code, potentially compromising the device and the network it is connected to. Organizations using this device should prioritize immediate remediation to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-19959
Severity
CRITICAL
CVSS
9.9
EPSS
0.48%

Original NVD 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.