What’s Vulnerable › Vulnerabilities

CVE-2026-9401: Edimax BR-6675nD POST Request formWanTcpipSetup buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-24 · updated 2026-07-23
• Weakness: CWE-119

Description

A vulnerability has been found in Edimax BR-6675nD 1.12. Impacted is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to buffer overflow. The attack can be initiated 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.

Affected products

• Edimax BR-6675nD: 1.12

References

• https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formWanTcpipSetup-34b53a41781f8020ab30c8ca204ab15d?source=copy_link
• https://vuldb.com/submit/811563
• https://vuldb.com/vuln/365382
• https://vuldb.com/vuln/365382/cti

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