CVE-2026-9443
Edimax BR-6478AC POST Request formL2TPSetup buffer overflow
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 CWE-119 |
| Vendor | edimax |
| Product | br-6478ac |
| Published | May 25, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Edimax / BR-6478AC
1.23
References
Credits
🔍 wxhwxhwxh_mie (VulDB User) VulDB CNA Team