CVE-2026-9443

HIGH EPSS 43.8%

Published May 25, 20261mo ago · Modified Jun 17, 20261w ago

7.4 CVSS 4.0

High

Published May 25, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

A security vulnerability has been detected in Edimax BR-6478AC 1.23. This vulnerability affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. The manipulation of the argument L2TPUserName leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score

7.4

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

43.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety

CWE-120

References 4

lavender-bicycle-a5a.notion.site https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formL2TPSetup-34b53a41781f809e9c30c1260cc5d92e?source=copy_link
vuldb.com https://vuldb.com/submit/818452
vuldb.com https://vuldb.com/vuln/365424
vuldb.com https://vuldb.com/vuln/365424/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.