CVE-2026-9401
Edimax BR-6675nD POST Request formWanTcpipSetup buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- May 24, 2026
- Updated
- May 26, 2026
- Reserved
- May 24, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BR-6675nDEdimax |
|
References
- VDB-365382 | Edimax BR-6675nD POST Request formWanTcpipSetup buffer overflowvdb-entrytechnical-description
- VDB-365382 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #811563 | EDIMAX BR-6675nD BR-6675nD v1.12 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formWanTcpipSetup-34b53a41781f8020ab30c8ca204ab15d?source=copy_linkexploit
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