CVE-2026-13563

HIGH

Edimax EW-7478APC POST Request formL2TPSetup stack-based overflow

Title source: cna
STIX 2.1

Description

A vulnerability has been found in Edimax EW-7478APC 1.04. This impacts the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-374571 | Edimax EW-7478APC POST Request formL2TPSetup stack-based overflow
https://vuldb.com/vuln/374571
Signature, Permissions Required signature permissions-required
VDB-374571 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/374571/cti
Third Party Advisory third-party-advisory
CVE-2026-13563 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-13563
Third Party Advisory third-party-advisory
Submit #844113 | EDIMAX EW-7478APC EW-7478APC 1.04 Buffer Overflow
https://vuldb.com/submit/844113

Scores

CVSS v3 8.8
EPSS 0.0044
EPSS Percentile 36.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
Edimax/EW-7478APC 1.04
Published Jun 29, 2026
Tracked Since Jun 29, 2026