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.
Published: 2026-08-16
Score: 9.4 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 16 Aug 2026 22:45:00 +0000

Type Values Removed Values Added
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.
Title Edimax EW-7478APC formWanTcpipSetup stack-based overflow
First Time appeared Edimax
Edimax ew-7478apc
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:a:edimax:ew-7478apc:*:*:*:*:*:*:*:*
Vendors & Products Edimax
Edimax ew-7478apc
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}


Subscriptions

Edimax Ew-7478apc
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-16T22:30:15.064Z

Reserved: 2026-08-16T07:07:38.069Z

Link: CVE-2026-19959

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-16T23:16:24.710

Modified: 2026-08-16T23:16:24.710

Link: CVE-2026-19959

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-17T00:00:06Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-121

    Stack-based Buffer Overflow