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CVE-2026-7684— Edimax BR-6428nC setWAN buffer overflow

CVSS 8.8 · High EPSS 0.05% · P14
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I. Basic Information for CVE-2026-7684

Vulnerability Information
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Vulnerability Title
Edimax BR-6428nC setWAN buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway  leads to buffer overflow. The attack can be launched 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Edimax BR-6428nC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Edimax BR-6428nC是中国讯舟（Edimax）公司的一款多功能无线宽带路由器。 Edimax BR-6428nC 1.16及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/setWAN的未知函数对参数pptpDfGateway的操作，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
EdimaxBR-6428nC 1.0 -

II. Public POCs for CVE-2026-7684

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III. Intelligence Information for CVE-2026-7684

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Same Patch Batch · Edimax · 2026-05-03 · 4 CVEs total

CVE-2026-76858.8 HIGHEdimax BR-6208AC setWAN buffer overflow
CVE-2026-76826.3 MEDIUMEdimax BR-6208AC L2TP Mode setWAN command injection
CVE-2026-76836.3 MEDIUMEdimax BR-6428nC Web setWAN command injection

IV. Related Vulnerabilities

Same product: BR-6428nC
Same vendor: Edimax
Same weakness: CWE-120

V. Comments for CVE-2026-7684

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