CVE-2026-19959

CVSS 9.9 (critical) · published 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.

Weakness: CWE-119, CWE-121

Source: NVD CVE-2026-19959

References

• https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formWanTcpipSetup-34b53a41781f8047b36bd11dbcaa84dc?source=copy_link
• https://vuldb.com/cve/CVE-2026-19959
• https://vuldb.com/submit/872873
• https://vuldb.com/vuln/391136
• https://vuldb.com/vuln/391136/cti

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.